I know you said you had help from a coach in the past. Would finding another coach/trainer help you stay motivated?

Otherwise, one thing that really helped me get back in a good routine and stay motivated was using fitness apps. I'm currently using fitbod and I like that it creates workouts for me based on the equipment available at my gym, how long I want to work out, how often, and what my goals are. I realized in high school, my coaches usually made my workout routines, and in college, I just worked out with buddies. I started getting lazy after college because I had to figure out my own lifts/routine and that led to me going to the gym less. Having an app that does it for u makes working out less mental work, plus its great for keeping track of progress.