Most of what people call "not sticking with it" is an environment problem. Wherever the thing you want to do lives, either the space is supporting you or it is not.
A 2012 review in Obesity Reviews by Deborah Cohen and Susan Babey at RAND called it heuristic processing. Most of what you eat, when you sleep, whether you train, is a series of default responses to what is in the room. Redesign the room. The behaviour follows.
Three rooms most people can fix in one weekend.
1. The lounge
The most reliable predictor of whether you strength train at 45 is whether the kettlebell is next to the couch or in the garage. Location beats intent.
Two pieces of equipment worth having in the room you already spend evenings in. A pair of NÜOBELL adjustable dumbbells that replace a full rack in the footprint of one plant pot. And a single 16kg or 20kg Kettlebell Kings bell for swings, goblet squats, and Turkish get-ups. Ten minutes at 8pm three times a week beats a gym plan you never execute.
2. The bedroom
Three fixes, all small and all compounding.
The phone charges in the hallway, not on the bedside table and not across the room where you can still reach it. Past a closed door is the point. The bedroom becomes a room for sleeping in.
The room stays cool. 60 to 68F is where core body temperature drops enough for sleep. A Slumber Cloud Performance cooling pillow cover does more of the work than any supplement.
The eye mask stays on the pillow so it is there before you need it. The Manta Sleep Pro mask is the one side sleepers actually keep on all night. If you cannot fully blackout the windows, this is the fix.
3. The calendar
The most important environment change you can make this weekend is a recurring block on Sunday morning, at the same time, with the same person, on the calendar through the end of the year. No product required.
A 2010 meta-analysis of 148 studies and 308,849 participants in PLoS Medicine by Julianne Holt-Lunstad and colleagues found that people with stronger social ties had a 50 percent higher likelihood of survival across the follow-up period. Same effect size as quitting smoking. Nothing you buy comes close.
Pick the friend. Send the text tonight. The block becomes the room.

Your weekend action
Start with the room where the gap is biggest. One change this weekend, one item that helps it stick, one time on the calendar.
Once it’s working in your favour, try the next room, then the next one after that.
Habits compound one by one.
Until Monday.
Longevity Daily / The Building Decades