Hi Semlor,
I know how rough it can be to be shy and a teenager, I was very shy as one, I never dated in high school and while at the time I was unhappy about it looking back now I know i made the right decision for me.
I think a lot more teenagers, and just people in general are shy about admitting feelings or an attraction towards someone, it's a hard thing to do sometimes.
If yo want to be in a relationship for physical reasons only, I really recommend you wait, relationships are very draining emotionally at times, and it goes with the physical. It is good you are very well aware of what you want and why you want it, it shows you are a very insightful

If you do get in a relationship for the physical only please take safety precautions.
Pm anytime you need to talk
Typo