system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do men pee in these crazy urine streams after having sex?
gpt
Just a quick reminder that males have a spongy urethra and this particular structure creates a spiral urine stream which expels urine at higher speeds and this functions as a way to remove obstruction, like sperm in this case. Females do not have this structure and why there's a higher incidences of UTI's for females vs. males.

After sex, you have a combination of foreign objects there such as:

* sperm
* lubrication
* vaginal fluids
* spermicide

Which clogs up the very tip and, in the case of sperm, parts of the shaft.

This is why it's always good for men (and women) to pee (and wash off) after sex because it cleans, well, everything.

The same streams can happen at any time throughout the day but for similar reasons: basic blockage in the tunnel, so to speak.