Depression/anhedonia too much?

hi all! have loved this community for the wealth of information and positivity. I started 2.5mg about a month ago, only looking to lose about 15 pounds, but my food noise/obsession has been plaguing me after some weight fluctuation over the last few years. having a break from thinking about food has been an enormous blessing, and I've been able to eat enough to meet my protein goal and still lose 2-4 pounds a week which is perfect for me. however, man this drug just bums me out! im fatigued, im sleeping 10-12 hours a night and still want to nap. in life I am anticipating some exciting new changes and yet I cannot access that excitement or motivation at all. I dont want to do any of the things I typically want to do, even when I do the all the 'right things', eat good, sleep good, walk in the sunshine, etc. I've barely worked out in the time I've been on it. my last good workout it was hard to push and i still came home and ended up taking a 3 hour nap. going on a few mile walk is tiring. im pretty good at eyeballing my calories and I am not under-fueling myself to such a degree that my energy should be taking such a huge hit. but worse is just the absolute apathy!

my question is, has anyone experienced this and did it ease up for you? I've put off taking the shot for three days deciding if I should continue or not. I think I will try halving my dose and seeing how I feel but im about ready to throw in the towel.

thank you for any feedback! all insight is appreciated.