diff --git a/period/cycles.py b/period/cycles.py
index dc33e6b..ec4be5e 100644
--- a/period/cycles.py
+++ b/period/cycles.py
@@ -16,16 +16,14 @@ bp = Blueprint('cycles', __name__)
 def index():
     db = get_db()
     current_cycle = db.execute('SELECT * from cycle ORDER BY id DESC LIMIT 1').fetchone()
-    print(current_cycle['start_time'])
     start_time = pendulum.parse(current_cycle['start_time'])
-    if current_cycle['end_time'] is None:
-        cycle_length = (pendulum.now() - start_time).days
+    cycle_length = (pendulum.now() - start_time ).days
 
-        db.execute(
-            'UPDATE cycle SET cycle_length = ?'
-            ' WHERE id = ?',
-            (cycle_length, current_cycle['id'])
-        )
+    db.execute(
+        'UPDATE cycle SET cycle_length = ?'
+        ' WHERE id = ?',
+        (cycle_length, current_cycle['id'])
+    )
 
     cycles = db.execute(
         'SELECT id, start_time, end_time, cycle_length'
@@ -45,7 +43,7 @@ def create():
             end_time_stamp = "1900-01-01"
             end_time = pendulum.datetime(1900,1,1)
         error = None
-        print(request.form['end_time'])
+        # print(request.form['end_time'])
 
         if not start_time:
             error = "You must provide a start date"
@@ -71,7 +69,8 @@ def create():
                     (start_time.to_datetime_string(),)
                 )
             db.commit()
-            return redirect(url_for('index'))
+            # return redirect(url_for('index'))
+            return redirect(url_for('cycles.cycle_math'))
     return render_template('cycle/create.html')
 
 def get_cycle(id):
@@ -88,7 +87,6 @@ def get_cycle(id):
 @bp.route('/<int:id>/update', methods=('GET', 'POST'))
 def update(id):
     cycle = get_cycle(id)
-    print(cycle['end_time'])
 
     if request.method == 'POST':
         start_time_stamp = request.form['start_time']
@@ -96,14 +94,12 @@ def update(id):
         try:
             end_time_stamp = request.form['end_time']
             end_time = pendulum.from_format(end_time_stamp, 'YYYY-MM-DD')
-            print(end_time)
         except ValueError:
             end_time_stamp = "1900-01-01"
             end_time = pendulum.datetime(1900,1,1)
         error = None
         if end_time is None:
             end_time = "2999-01-01"
-        print(end_time)
 
         if not start_time:
                 error = "You must provide a start date"
@@ -130,7 +126,7 @@ def update(id):
                     (start_time.to_datetime_string(), cycle_length, id)
                 )
             db.commit()
-            return redirect(url_for('index'))
+            return redirect(url_for('cycles.cycle_math'))
     return render_template('cycle/update.html', cycle=cycle)
 
 @bp.route('/<int:id>/delete', methods=('POST',))
@@ -139,4 +135,32 @@ def delete(id):
     db = get_db()
     db.execute('DELETE FROM cycle WHERE id = ?', (id,))
     db.commit()
-    return redirect(url_for('index'))
\ No newline at end of file
+    # return redirect(url_for('index'))
+    return redirect(url_for('cycles.cycle_math'))
+
+@bp.route('/cycle_math')
+def cycle_math():
+    db = get_db()
+
+    all_cycles = db.execute(
+        'SELECT id, start_time, end_time, cycle_length'
+        ' FROM cycle ORDER BY start_time DESC'
+    ).fetchall()
+
+
+    for num, cycle in enumerate(all_cycles):
+        # http://127.0.0.1:5000/cycle_math
+        # cycle length = next start -  this start
+        if num > 0:
+            this_start = pendulum.parse(cycle['start_time'])
+            next_start = pendulum.parse(all_cycles[num-1]['start_time'])
+            cycle_length = (next_start - this_start).days
+            db.execute(
+                'UPDATE cycle SET cycle_length = ?'
+                ' WHERE id = ?',
+                (cycle_length, cycle['id'])
+            )
+            db.commit()
+
+
+    return redirect(url_for('cycles.index'))
\ No newline at end of file
diff --git a/period/templates/cycle/index.html b/period/templates/cycle/index.html
index 554dde2..87b6efc 100644
--- a/period/templates/cycle/index.html
+++ b/period/templates/cycle/index.html
@@ -8,6 +8,11 @@
   <div class="table-wrapper">
     <div class="table-title">
         <div class="row">
+          <div class="col-sm-6">
+            {% block header %}
+            <h2>{% block title %}Cycles{% endblock %}</h2>
+            {% endblock %}
+          </div>
         </div>
     </div>
       {% for cycle in cycles %}
@@ -24,7 +29,7 @@
                   {% endif %}</h5>
                 <p class="card-text"><b>Started:</b> {{ cycle['start_time'][:10] }}
                   <br>
-                  {% if not loop.first %}
+                  {% if cycle['end_time'] is not none %}
                   <b>Ended: </b>{{ cycle['end_time'][:10] }}
                   {% endif %}
                 </p>