Yes, I experience very strong sexual attraction, and as you say it is a physical response often triggered by sight. Sexual researchers sometimes talk attraction being triggered by cues. Sight is a big one and so is touch. Others can be more esoteric, though perhaps those researchers aren’t distinguishing the difference between attraction and desire.

I’m also very romantic, which isn’t always great for me, because I can fall into a sort of loving infatuation at the drop of a pin. Which can be painful.

It’s only within the last couple of years that I’ve begun to realize that asexuality anf aromanticism exist. Your examples and explanations make them much easier to understand.