God gave me 3 words to help me get out of the bad thinking.
Get up and move. Stop waiting for something positive to happen.
After you start moving, Stop going in circles. Stop looking back and saying IF ONLY. You can not change the past, but you can change the future. Look forward. Make decisions to make your life go forward.
After you are moving and you are making forward progress one decision at a time. Then you can see the small positive decisions of the morning can change the outcome of the day. Not all decisions are positive vs negative but ok vs good vs better. Make the conscious decision to make the most positive decision you can make. Even when you do not feel like you deserve it. Ask what is the best thing to do in God's eyes.
A choice between a black outfit and a green outfit. There are no right or wrong. But there is a meeting after lunch, the black outfit is better for the meeting.
Do not over think the decisions. Remember The KISS Rule: Keep It Simple Sweetie.