Sounds like you’re stuck in a bit of a rut and as Tuerto has also touched on a maybe a little bit depressed. Especially when you say you can’t even motivate yourself when you’ve got your daughter. As others have said try and exercise, just walks to start with, chuck some music or a podcast on when you’re out walking. It’s not just your physical health but your mental health is much better when exercising.

With regards the diet instead of preparing all the meals on a Monday for the rest of the week just prepare them and eat them as you go along. Ok it will take a bit more time cooking every day, but it’s only time you’ll waste on here or social media. It’s also a nice distraction I find.