The one time on radio @SizweDhlomo talked about the importance of doing one task at a time until you complete it.
Looking busy can give you the illusion that you are getting things done when in actual fact you are idling.
The dating pool is messy right now. If you have an ex who loved you, respected you, took care of you, and treated you well, and you only separated over something minor, go back and have that difficult conversation. Apologize, settle things, and make amends. You might not find someone better.