ahhh its ok probably the best thing 당신 can do for him is just be there try to make hime laugh 또는 get him choclate. just let him know that your there and 당신 care
I guess it all depends on what do 당신 both feel for each other.If there's 더 많이 than just friendship between the 2 of 당신 even remotely possible,perhaps your gay friend would even shift to bisexuality.Who knows what might happen between 2 best friends?