What does it actually feels to love and to be loved?

So yes everything is basically in the title, but let me explain my question a bit.

So I (F, 20) have been single since my birth but I don't really mind it, as I actually am not really looking for love right now but more for stability in my life before anything. The thing is that almost all my friends are dating someone (and sometimes each other too) and it got me curious about the feeling of being in love and being loved (in a romantic way).

So my question is more on the emotional an physical side. For example, are there specific emotions or sensations you felt when in love, but not when you aren't ? Or whatever information you have about loving someone and being loved?

My question might seem a bit insensitive (maybe? I don't know?) or emotionless, but it is really important for me as I am working a lot on the different emotions that one can feel in life (as a hobby I think? It kinda came on naturally to me as I grew up, I love analyzing emotions), and romantic love is something I don't feel that familiar with (although I read a lot of romance stories, it doesn't feel the same).

Thank you in advance for your answers!