As men age, they may notice less force and less fluid during ejaculation. Perceived ejaculate volume reduction (PEVR), or weak ejaculation, is subjective and generally noticed only by the man in question. But it's a condition that can have psychological repercussions or possibly point to other health-related issues, such as low testosterone.
PEVR is actually quite common and can be the result of aging. A study done in the Netherlands found the prevalence of ejaculatory dysfunction such as PEVR among men in their 70s was about 10 times greater than among men in their 50s.
Though it may be part of a natural process, that doesn't mean men just have to surrender to eventual PEVR and the potential