Our past does not define us.
"Quit looking behind you, it doesn't exist!" Something I'd scream at myself day in and day out for as long as I can remember being an adult. I now understand after a lot of looking inside of myself, a lot of reading, a lot of spending money and traveling to mastermind groups, wake up warrior events and meditation retreats that Depression for me comes from living in the past and anxiety for me comes from living in the future. The "What if" questions would over run my life if I focused to much on the future. The "I could have" statements would stop me in my tracks if I focused to much on the past. As soon as I started really paying attention to the present moment, the here and now, I was able to start asking myself better questions. Questions like: "What do I want?" " What's my intent here in the action I'm about to take." What's the best outcome from communicating with this person and what do I want to take away from the conversations?" "How can I serve this persons needs without sacrificing my integrity or getting in the way of accomplishing my goals and outcomes?"
Consider living more in the present moment, consider being the "observer" of your thoughts and catch yourself reminiscing in the past or freaking out over what could be in the future and just be in the moment and ask yourself better questions. Questions relevant to where you are right now.