Can anybody help

Im feeling so depressed I cant get out of bed. I get it that things will get better and this is just teenage drama I guess but yesterday I watched two of my friends makeout with these guys while I was left to take care of my other friend. The thing is I used to like one of the guys and also hu with him and Im jealous and lonely and I wouldnt do anything to hurt my friends and I want them to be happy. Im just rlly sad rn and it was rlly heartbreaking going to this guys house and having to sit on the staircase taking care of my drunk friend while everyone else was hu with people I liked. I feel like my life is just so behind and everything like a week ago everything was going better I had a lot of hu and options or whatever but now Im lonely and theyre lives are moving so fast I feel like Im left behind