If the novelty for your new routine is slowly dwindling or you can’t find a way to simply start, the easiest thing to do is take it back to that pure definition of motivation. What is your real reason for exercising?

Anecdotally, finding a reason for training that isn’t just aesthetically driven tends to be a bit more long-lasting. Focus on the fact that going to the gym is the only hour a day you get to yourself, or how good your mind feels after yoga. Choosing a movement you love is also a key part of that. No matter how important heart health, community or nature is to you, you’ll never stick with running if you simply hate running.

Self-discipline and exercise: “Why I don’t rely on motivation to workout”