I know how you feel! It's true though, once you get moving the day gets better. You can be proud of yourself today for going to your group session! Afterwards, you will feel better knowing you accomplished something! Each day, you should find something to accomplish and once it's done, then you can play your games as a reward. It could be taking a 15 min walk, 30 min bike ride, an hour looking for jobs and applying for the ones that are interesting to you, cook a new recipe, going to your group session,... The more you do this, the more it will be easier
make yourself a calendar every week in advance so you know what you have to do during the upcoming week.
Be strong and take care,