Gather up everything you own and put it in a box as if you were moving.  Then only unpack what you use.  Everything else, after being in storage for a period of time can be purged (though not if you truly need it).  Detach from your belongings.  Detach from those who bring you nothing but misery.  Detach from situations that no longer serve you.  Just leave anything behind that doesn't fill your soul with happiness.  Remember what Marie Kondo says: Ask if someone or something brings you joy.  If not?  Out it/they go!