doesn't affect desire. Only engorges the plumbing. You could be moderately stiffer although being too hard lessens penis sensitivity. You might think this is weird, an orgasm is a histimine response, probably has a distant relationship to the sneeze mechanism. Antihistimines can really take the steam out of an orgasm, even 24 hours later.

What will it do for you?  Nothing

Will it allow you to have more pops over X hour period?  No

Will it leave you poorer for no reason?  Yes

If you don't suffer from ED, then medications to deal with that predicament are just money wasters.

Viagra....  hummmmmmm..... interesting story....once upon a time I took a male enhancement drug....hummmm....  trust me, if you do not need, do not take.... the headache is not worth the effort....

Be thankful if you don't need it, and save it for when you get older - the stuff's expensive, usually at least $1O a pill.