Build a Training Habit Around the Start
Make the first few minutes predictable, then let the session grow from there.
Motivation is useful when it arrives. A habit needs to survive the days when it does not.
Fix the cue
Attach the session to something that already happens: after work, after the school run or after breakfast on Saturday. A cue based on an event is often more durable than a precise clock time.
Shrink the opening
Decide what the first two minutes look like. Put on shoes. Fill a bottle. Open the session. Perform the first warm-up set. The smaller the opening, the less room there is for a debate.
Keep a minimum version
Write a short session that still counts on a difficult day. It should be safe, useful and small enough to finish. The minimum version protects the routine without pretending it equals a full session.
Review the pattern, not your character
If sessions keep moving or disappearing, inspect the setup. Was travel time too long? Was the session too large? Was the cue unreliable? Change the system before blaming discipline.
A strong habit is not a perfect streak. It is a routine with a clear way back after interruption.