a form of dementia may set in as we grow older, this does not affect every one, however, this type of dementia could develop into Alzheimer disease which of course will cause the withdrawal from everyday life.
Not on a general basis, but if one partner wants to get a divorce from the other they can use 'emotional abuse' as a way to get that divorce. If one is emotionally abused, it is just as bad as being...
No drugs cause emotional dependence, unless you have an emotional relationship with them. If you're speaking about psychological dependence, you're in luck, I have an answer for you... Hallucinogens...