Injection and sweating more than usual

Used for over 10 years, completely stopped my periods which was fantastic. The devices became harder and harder to use, needing a lot of force to inject so I ended up turning myself into a pin cushion & wasting a few, which made reordering a faff. Don’t think I gained weight and if anything my skin improved (but that could just be normal from teenage to late 20s). The only negative I noticed was decreased sex drive - but it didn’t totally go so not a massive issue for me.

I was on this injection for 2 years, the whole process put me off . when i started the injection i had a period of 16 days (over two weeks) and it was so heavy, months went on and my periods stopped all together, i didn’t have a period for minus 2 years , i’m now on the combined pill but i did receive higher anxiety and depression towards taking it for ages, the doctor offered me antidepressants but i didn’t want to be taking them as i am a quite smily happy person but i literally lost all my energy and motivation to do anything.

I like the injection as no periods at all but gained over 2 stone in weight and no amount of dieting, eating less or exercising helps loose any weight at all I just gain even more.