Interestingly, I've learned to love having more than one peer group. I felt like a floater all through high school and college, like I didn't belong anywhere, but around age 30 I started viewing that as a source of strength rather than of weakness, and "I belong everywhere" rather than "I don't belong anywhere". My wife and many of my close friends (that don't belong to any particular peer group) are the same way.
There's a certain irony where, although it sometimes feels lonely being a floater, such people often seem to have higher status when viewed from the outside. They're confident enough to not be defined by their peer group, after all. Few people are, and many people wish they were.
Thanks for the positivity, it's hard to remember that how you see yourself is not how others see you. Whenever other people tell me that others look up to me I'm like wtf are you talking about. I have about five major peer groups, it's kind of like the jack of all trades, master of none conundrum.
There's a certain irony where, although it sometimes feels lonely being a floater, such people often seem to have higher status when viewed from the outside. They're confident enough to not be defined by their peer group, after all. Few people are, and many people wish they were.