Because you can't deal with Adachi at all. You're making excuses for him getting too close to you while you were drunk! You're sort of going to try to work on his flaws. Maybe.

[He scowls darkly at the end of the rant and slumps against the back of the couch.]

...I know you care about me. I know you want to help, but you've got a blind spot with that guy.