Every man is concerned about shrinkage, but fortunately it usually only happens when the manhood greets the cold. However, male organ atrophy can be a problem that might make men worry about their member size.
For most men, self-pleasuring is all about getting a good grip on the member and letting things proceed from there. Some guys may want to explore how to add to their self-stimulatory experience.
Most member odor tips focus on the manhood itself (for good reason). But sweat from all over the body can be a factor that shouldn’t be ignored.