LOVE OF SIAM was not totally a gay movie. It's just something that both of them were just thirst a real meant of love which they won't experience from their parents.
Both of them, found intimate feelings each other and it's also because they don't know what love really is as their young age. Insofar of their childhood friendship, something that was established which they don't what it was because they're just caring each other from time to time. Friendship is someone you accompany with whether in bad times or good times. Thus, because of some struggles that are raises in their concerns. They were just stood each other help to find a way. They are happy together that's why. They love is other and care each other more than friends.
But if you don't have any commitment to someone. It doesn't mean you you don't love him. Isn't it?.