是他不愿意做，还是不能做？

is it because of his unwillingness or his incapability?

Is it that he doesn't want to, or is it that he can't?

没有哪个男的不想和自己喜欢的人做。他肯定是不能做，原谅他吧，，，

...or...
Doesn't he want to do it, or he can not do it.

问清楚吧

可能他有难言之隐

he does not want to do or he can not do?