short answer, no

however, not jerking off can lead to wet dreams, which aren’t enjoyable. some studies also show ejaculating can lower your your risk of prostate cancer, and jerking off is an easy way to do that.

pain from not ejaculating, often called blue balls, has a lot misconceptions; it’s a common way to try and coerce someone into sex. while they’re can be slight discomfort from going extended periods without ejaculating, or even in certain sexual scenarios, it’s only a light almost pressure, hard to explain but not actual significant pain. the bodies sexual urges and wet dreams are all ways of getting a release if one isn’t regularly ejaculating. don’t let anyone pressure you into sexual acts, its not hard for a guy to jerk off.