Dilemma or Bigamy?

Can anyone suggest a better name for the tendency detested as dilemma? To me, it sometimes feels like enjoying bigamy. How is it that you are not able to come out of it? Simply, reluctance on your part. Otherwise, you must divorce one.

Forgetting, Avoidance or Ignoring?

Why do people not respond to things they come across?
Do they forget things?
Do they deliberately avoid things?
Do they tend to ignore things?
Are they self sufficient?
Do they really need to or ought to respond?
How can they be lured to respond to things?