>>117217427>"He can be gay" is closer to "He could be gayActually, first one carry more a meaning of being allowed to be gay, while the second one is more an hypothetical.
then again, when you say "I can be attracted to men", it usually means that the person HAS been attracted to men in the past and is very likely to be attracted to men in the future to, he is stating a truth that has already been certified, even if the person is attracted to no men right now.
"I could be attracted to men" is more of a theoretical, indicating it hasn't happened yet.
that's the common takes of those words.