diff --git a/app/helpers/cards_helper.rb b/app/helpers/cards_helper.rb
index 08edb27d9..e34a51d3d 100644
--- a/app/helpers/cards_helper.rb
+++ b/app/helpers/cards_helper.rb
@@ -48,4 +48,12 @@ module CardsHelper
     title << "assigned to #{card.assignees.map(&:name).to_sentence}" if card.assignees.any?
     title.join(" ")
   end
+
+  def card_entropy_action(card)
+    if card.doing?
+      "Falls Back"
+    elsif card.considering?
+      "Closes"
+    end
+  end
 end
diff --git a/app/javascript/controllers/bubble_controller.js b/app/javascript/controllers/bubble_controller.js
new file mode 100644
index 000000000..70a2c81e6
--- /dev/null
+++ b/app/javascript/controllers/bubble_controller.js
@@ -0,0 +1,43 @@
+import { Controller } from "@hotwired/stimulus"
+import { signedDifferenceInDays } from "helpers/date_helpers"
+
+const REFRESH_INTERVAL = 3_600_000 // 1 hour (in milliseconds)
+
+export default class extends Controller {
+  static targets = [ "top", "days", "bottom" ]
+  static values = { "closesAt": String, "reminderBefore": Number, "entropyAction": String }
+
+  #timer
+
+  connect() {
+    this.#timer = setInterval(this.update.bind(this), REFRESH_INTERVAL)
+    this.update()
+  }
+
+  disconnect() {
+    clearInterval(this.#timer)
+  }
+
+  update() {
+    const closesInDays = signedDifferenceInDays(new Date(), new Date(this.closesAtValue))
+
+    if (closesInDays > this.reminderBeforeValue) {
+      this.#hide()
+      return
+    }
+
+    this.topTarget.innerHTML = closesInDays < 1 ? this.entropyActionValue : `${this.entropyActionValue} in`
+    this.daysTarget.innerHTML = closesInDays < 1 ? "!" : closesInDays
+    this.bottomTarget.innerHTML = closesInDays < 1 ? "Today" : (closesInDays === 1 ? "day" : "days")
+
+    this.#show()
+  }
+
+  #hide() {
+    this.element.setAttribute("hidden", "")
+  }
+
+  #show() {
+    this.element.removeAttribute("hidden")
+  }
+}
diff --git a/app/javascript/helpers/date_helpers.js b/app/javascript/helpers/date_helpers.js
index 9f3dffc4d..529b2968e 100644
--- a/app/javascript/helpers/date_helpers.js
+++ b/app/javascript/helpers/date_helpers.js
@@ -2,6 +2,10 @@ export function differenceInDays(fromDate, toDate) {
   return Math.round(Math.abs((beginningOfDay(toDate) - beginningOfDay(fromDate)) / (1000 * 60 * 60 * 24)))
 }
 
+export function signedDifferenceInDays(fromDate, toDate) {
+  return Math.round((beginningOfDay(toDate) - beginningOfDay(fromDate)) / (1000 * 60 * 60 * 24))
+}
+
 export function beginningOfDay(date) {
   return new Date(date.getFullYear(), date.getMonth(), date.getDate())
 }
diff --git a/app/models/card/closeable.rb b/app/models/card/closeable.rb
index 121a0e2d4..46c3a9696 100644
--- a/app/models/card/closeable.rb
+++ b/app/models/card/closeable.rb
@@ -1,7 +1,6 @@
 module Card::Closeable
   extend ActiveSupport::Concern
 
-  AUTO_CLOSE_AFTER = 30.days
   AUTO_CLOSE_REMINDER_BEFORE = 7.days
 
   included do
diff --git a/app/models/card/engageable.rb b/app/models/card/engageable.rb
index 493d5b9ae..aa5279d64 100644
--- a/app/models/card/engageable.rb
+++ b/app/models/card/engageable.rb
@@ -29,10 +29,6 @@ module Card::Engageable
     last_active_at + STAGNATED_AFTER if last_active_at
   end
 
-  def days_until_reconsider
-    (auto_reconsider_at.to_date - Date.current).to_i if auto_reconsider_at
-  end
-
   def doing?
     open? && published? && engagement.present?
   end
@@ -41,10 +37,6 @@ module Card::Engageable
     open? && published? && engagement.blank?
   end
 
-  def reconsidering_soon?
-    doing? && Time.current >= auto_reconsider_at - AUTO_RECONSIDER_REMINDER_BEFORE
-  end
-
   def engage
     unless doing?
       transaction do
diff --git a/app/views/cards/display/_preview.html.erb b/app/views/cards/display/_preview.html.erb
index 6c25054aa..c874d8151 100644
--- a/app/views/cards/display/_preview.html.erb
+++ b/app/views/cards/display/_preview.html.erb
@@ -29,12 +29,10 @@
 
     <%= render "cards/display/common/background", card: card %>
 
-    <% if card.closing_soon? %>
-      <%= render "cards/display/preview/bubble", label: "Closes", days: card.days_until_close, class: "bubble--closing" %>
-    <% end %>
-
-    <% if card.reconsidering_soon? %>
-      <%= render "cards/display/preview/bubble", label: "Falls Back", days: card.days_until_close, class: "bubble--considering" %>
+    <% if card.considering? %>
+      <%= render "cards/display/preview/bubble", card: card, style: "closing" %>
+    <% elsif card.doing? %>
+      <%= render "cards/display/preview/bubble", card: card, style: "considering" %>
     <% end %>
   <% end %>
 <% end %>
diff --git a/app/views/cards/display/preview/_bubble.html.erb b/app/views/cards/display/preview/_bubble.html.erb
index 41319eef8..13faa9920 100644
--- a/app/views/cards/display/preview/_bubble.html.erb
+++ b/app/views/cards/display/preview/_bubble.html.erb
@@ -1,24 +1,22 @@
-<div class="bubble <%= local_assigns[:class] %>">
+<div hidden class="bubble bubble--<%= style %>"
+     data-controller="bubble" data-action="turbo:morph-element->bubble#update"
+     data-bubble-reminder-before-value="<%= Card::AUTO_CLOSE_REMINDER_BEFORE.in_days.to_i %>"
+     data-bubble-closes-at-value="<%= card.auto_close_at.iso8601 %>"
+     data-bubble-entropy-action-value="<%= card_entropy_action(card) %>">
   <svg viewBox="0 0 200 100">
     <path id="top-half" fill="transparent" d="M 20,100 A 80,80 0 0,1 180,100" />
     <text text-anchor="middle" fill="currentColor">
-      <textPath href="#top-half" startOffset="50%" dominant-baseline="middle">
-        <%= local_assigns[:label] %>
-        <%= " in" if days > 1 %>
-      </textPath>
+      <textPath href="#top-half" startOffset="50%" dominant-baseline="middle" data-bubble-target="top"></textPath>
     </text>
   </svg>
 
-  <span class="bubble__number">
-    <%= days < 1 ? "!" : days %>
+  <span class="bubble__number" data-bubble-target="days">
   </span>
 
   <svg viewBox="0 0 200 100">
     <path id="bottom-half" d="M 20,0 A 80,80 0 0,0 180,0" fill="transparent" />
     <text text-anchor="middle" fill="currentColor">
-      <textPath href="#bottom-half" startOffset="50%" dominant-baseline="middle">
-        <%= days < 1 ? "today" : "Day".pluralize(days) %>
-      </textPath>
+      <textPath href="#bottom-half" startOffset="50%" dominant-baseline="middle" data-bubble-target="bottom"></textPath>
     </text>
   </svg>
 </div>