Tired of still being FAT

Anistasia
I had alot of life changes around pregnancy. From losing my husband, a miscarriage, stopped smoking, quit working and so on. Needless to say I had a huge weight gain while pregnant. I'm talking like 80lbs! I ebf, he's almost 3 months but I feel like I can't do anything. I don't feel like myself I'm sad and ugh I just hate my body. I love my little boy so much he is such a blessing and even though he was worth everything I still need to be myself again besides I have NO clothes that fit lol any tips for me?