I am the same way. Whenever me and the husband go out for lunch he always ask where to you want to go and I always say "I don't care."
LOL I'm the same with my BF. Or I'll go "I dunno what do YOU want?" Then the response is "I dunno.." -silence for a bit- and we end up going somewhere we always go cus we can't decide or drive around till we just end up somewhere, somehow.
I'm horrible with decisions too, never know what I want to do if I'm bored, so I end up moping about and then people get annoyed at me. :P