I don't know if this is any better than what a therapist recommends but for me personally just trying to take it one day at a time. Expressing how you feel helps a lot and if you need to cry, let it out. I hate to be one of those people but I think mantras do/can help. I also don't like saying this cause it seems so trivial????? But I know I've been super angry/upset and I just either ate something, took a lil nap, or had some water, and I felt better. Sometimes doing a good deed helps us feel better as well.
What also helps me is the music i listen to like if I need a reminder on how good I am, how far I will go, or to get me into a good mood there's certain albums/artists I'll listen to. I like madonna and cher specifically for those reasons cause a lot of their music gets me going or has lyrics that remind me I'm strong enough, I'm great, and I just goyta continue being me.
But what has also helped me a lot is just reminding myself to just be kind, do your best, and if you can have fun 'cause that's all you can really do.
It definitely gets better and I hope you're feeling/doing better....Or you will at least be :)