I would talk to your doctor and have a general physical and blood pressure check. It’s more common than you think Bullshit, but as always, actually has a grain of truth to it
Erectile Dysfunction and Anaemia | Credihealth
Blood pressure and heart rate go up , there is high blood flow in the nose and many delicate capillaries
So a mild nosebleed during arousal or sex is not uncommon
Nosebleeds are also just really common in general and can be caused by mucous membranes even getting too dry or for other reasons that are not clear Light bleeding during sex is a common complaint and usually nothing to worry about However, if it keeps happening, if you can’t figure out why, or if other symptoms—such as pain, burning, or irritation— accompany the bleeding, it’s time to check in with your doctor An underlying health issue, such as an infection, hormonal changes, or cervical polyps, may need treatment to prevent.
Vaginal bleeding during sex or after sex can be totally normal, but other times it's a sign of a health problem, like an infection or gynecological cancer. Asking “why am i bleeding during sex?”