Yep, all the time. I don't have many friends & those I do have work a lot. They also like to be really immature & they are constantly fighting amongst themselves so it's hard to catch up with all of them (ie have to deal with the pathetic high-school stuff - 'oh I'm not coming if she is going to be there' etc) so I just don't bother anymore.
DH is a workaholic so I don't see him much, & when he is home he just wants to sit & watch tv. We barely talk anymore, we just argue.
I'm trying to learn to enjoy my own company. I'll be basically raising our child alone once it's born cause DH is always at work, so hopefully I'll be less lonely then cause I'll get to spend time with my baby.