In my opinion issues that occurred before the relationship are dragging him down and he not only knows it's ending the relationship, but he knows she/he knows. It's a kind of "I really wanted this to work, but we both know why it won't."
In my opinion issues that occurred before the relationship are dragging him down and he not only knows it's ending the relationship, but he knows she/he knows. It's a kind of "I really wanted this to work, but we both know why it won't."