I was never one to waste time as a teen. if I felt I liked someone, I let them know, and if I got the same feeling in return...
I had a friend who was straight, and who always seemed to be connecting with nice girls, but he always doubted his senses about it, and was hesitant to act. I used to tell him flat out, "She likes you. Go for it." But he was just never certain, and the doubt killed it every time. Teen girls are not known for their patience.
He did finally marry at 34, and is pretty happy today, so maybe it was meant to be that way for him.
But I am happy, too, and I didn't wait!