Why do I feel this way when I'm with him?

[Anxiety]

Whenever I'm with the guy I like, I get this funny feeling.
The feeling doesn't come until we start kissing or get sexual. If we're doing something and I have to stand up for whatever reason, I feel very lightheaded, like I'm walking on air and kind of weightless if that's a possible feeling.

Why does that happen? I do have blood pressure issues, issues with my heart and have fainting spells, could that play a role?

[screamtobeheard]

It's probably a blood rush. It's fairly common to feel lightheaded after that sort of activity. Just try to be careful. You don't want to end up passing out.