So when you'd ask, "Is something wrong?"
I'd think, "You're damn right there is
But we can't talk about it now
No, we can't talk about it now"
implies, to me, that he's afraid to tell her cos he know he'll hurt her. it's not about using her - it's about wanting to avoid hurting her in any way. but he doesn't know how to handle it - and will probably end up hurting her even more than he wanted to, cos he doesn't know how to tell her.
just to add to it, the bit that goes:
So when you'd ask, "Is something wrong?" I'd think, "You're damn right there is But we can't talk about it now No, we can't talk about it now"
implies, to me, that he's afraid to tell her cos he know he'll hurt her. it's not about using her - it's about wanting to avoid hurting her in any way. but he doesn't know how to handle it - and will probably end up hurting her even more than he wanted to, cos he doesn't know how to tell her.