A guy who appears to be absolutely incapable of taking hints, but actually isn't. He just lacks self-confidence and doesn't want to completely embarrass himself by assuming that those hints are real, because he's not sure that his girlfriend is reciprocating those feelings or if she's just messing with him.
"My boyfriend is denser than a black hole."
"He's an insecure black hole, girl. He knows what you want him to do. He's just extremely shy and doesn't want to just assume things, lest he will make you uncomfortable. You have to be completely sincere to him, and you'll probably have to spell things out for him. Patience is key."
"Well, now he just sounds like even more of a loser."
"And you sound like a narcissist who thinks that a man has to be confident in order to be worth your time. That toxic mindset is never going to pick up any guys. Looks are nothing; personality is everything. He's a sweet guy, and you're an inflexible jackass."
"I want a man who can use his words."
"He has social anxiety. Did you know that? But by all means, why don't you go ahead and explode at him for being shy? I'm sure he would take that really well. Do you want to be the reason that someone committed suicide because they can't afford to see a therapist?"