Could overeating be because of a lack of pleasure elsewhere?

Overeating. Among other reasons, it could be a way to fill a void or emptiness.
Yes. Now, let's use that capacity for insight. Ok? You know the next step; consult a psychiatrist. Tomorrow; you deserve the benefit. Good luck.

Related Questions

Could overeating be because of a lack of pleasure or excitement?

Yes. Some people will use food as a way of coping with emotional difficulties, including feelings of depression. Since depression is often accompanied by a lack of enjoyment or satisfaction, it is not uncommon that issues related to food can be part of the picture.