I'm sorry that I'm not good at leaving you.
I'm sorry that I can't let you go so easily.
I'm sorry that I made your life difficult.
I'm sorry that I care for you so much.
I'm sorry that I have so much feelings for you.
I'm sorry that I wanted to talk to you.
I'm sorry that I held your hand.
I'm sorry that I disrupted your life.
I'm sorry that for everything that happened between us in the past.
I'm sorry that we happened.
I'm sorry for everything.
I'm sorry.