Warning: Sometimes the pleasure get's too high and things get a little psychotic. The Epicurean should be prepared and watch out for this and manage this properly to keep their peace of mind.
Yes I've always thought that the major reason for Epicurus' concern was the damaging things that might result from doing things without thinking about the results, much as with alcohol or other drugs.
"Yet, once the withdrawals are over, the desire for sex gets weaker and people report that they experience long-term benefits such as more enjoyment from other things, increased mental/physical fortitude and most importantly, their lives become more pleasurable (I've been there many times)."
- In that context I would also think that "age" is a big factor to consider. All sorts of changes take place with age.