I don't think I (F20) ever liked someone and I feel "weird" for it?

Yeah, maybe it's not a big deal, but I'm feeling like a fish out of water because I never liked someone romantically. Of course I mentally think "wow, that person is cute" when I find someone attractive out there, but I never experienced what people talk about when they start liking someone romantically (aka wanting to see that person more, smiling when texting...). I tried to remember if I felt like this when I was a teenager in high school, since that's the time when you have at least one crush, but I didn't have any of that either...? I didn't think much of it at first, but now that I'm college I'm already seeing my friends getting married, and I'm still the only single who isn't even in a situationship. It's been just a year that I had my first kiss because I felt absolutely ashamed, in all that time the total of people I kissed is 3, and I'm still not sure if I really enjoyed it. I'm not even sure if I really want to date someone or if I just don't want to feel left out.

I don't really know, help.