Obviously she doesn't read any blogs.
My answer was a resounding yes. Having not yet published my dissertation, I'm still half convinced that it isn't good enough! Anyway, I tried to reassure her that pretty much all grad students question their decisions and research at one time or another. Even the confident, brilliant, successful ones (I'm lucky to count some of them as my friends). At this point, another grad student, a 2nd year who is just starting to figure out his research plan, skeptically asked, 'Everybody? So you think I will too?'
Seriously, does no one read blogs?
My answer was, again, a resounding yes and that it would probably be when he and his fiance want to start a family but he has 2 field seasons left that will require long trips and long hours in the lab with no weekends off. The look on his face told me I nailed it.
Having dealt with impostor syndrome, questioning my research and thinking it is crap is pretty second nature to me. I want to know what these students are doing to get through grad school without second guessing themselves!