u/According-Bug8801

Basically, I've started talking to this guy, M16, and it's nice, he's sweet, in two of my classes, and is a funny guy. I thought I liked him, but then M15, confessed that he likes me, and I've known him for longer, he's been there for me when life was tough, and when he confessed he liked me he didn't say anything about my looks. I'm not sure what to do, I think I like M15, how do I let down M16? What do I do??