Things might hurt you now but it's for your own betterment that you move on and do things which make you happy. Also, for your anxiety try the breathing exercises you can try one in activities of this app.
You don’t deserve to be in the space where you are not appreciated.
It’s good that someone who didn’t value you left.
Now only focus on yourself, have a sense of independence.
Focus on a goal, give yourself some time to heal.
Don’t rush or don’t make an opinion about yourself that you are not good enough. You are your best version.