I would never help my friends with a hand job. My mouth is always ready to help. Besides even if I gave hand jobs, the moment I felt his cock begin to swell up getting ready to cum it would be in my mouth because delicious cum should NEVER be wasted!!!!
How come pianists or drummers do not get repetitive injuries?? Because the have to have posture. Most people slouch and do not pay attention to their bodies.
People, repetitive stress injuries are no joke! More than 300,000,000,000,000 man-hours were lost to hand-job & masturbation related disorders in SINCE JANUARY 1, 2024 at a cost to private employers and government agencies...um, let's see...it was quite a bit. Don't let yourself be another statistic; learn proper ergonomic techniques that reduce stress on muscular and connective tissue. This has been a public service announcement. You're welcome.