He is walking with her.

He says, “I’m successful man now. After all hard workings, I could arrive here.. to meet you again. I have always thought of  you. You are my only reason I’m standing here. I didn’t want to give up on you. I could not leave there because.. it’s complicated story. I can explain everything.”

she doesn’t say anything.

“I was immature and lonely. Living away from you was so painful for me. Thinking of you hurted me more. I struggled because of my inevitable situation blaming myself. I could not stand the pain so I decided not to contact you even though we promised to do it. Would you understand me?”