How to Build More Supportive Friendships

In America, it's definitely not strange to have friends of the opposite sex after you've become married. I do think when you're single and your friends with someone of the oppositesex who's also single, if that friendship gets really close, it can start to be complicated. People might be asking you a lot if there's something going on. At one point, at some point, you may need to have a conversation like, are we just friends or are we more than friends?