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I can't tell you how to deal with things. But I can tell you that I took things one day at a time. It helped, when everything I lost felt like too much. It was 2003 for me. I didn't even get to make it to 21 back home. It's shitty. And showing up here is hard. Not to mention scary as hell. But other people have made it through, and I like to think that maybe you're stubborn enough to make it too.
Try and give yourself breaks from dealing with everything when it feels like too much Watch a stupid movie, read, draw, play poker, look at cute animal pictures on the internet.