rcr - if it makes you feel any better, when I did have morning sickness it didn't start for another couple of weeks.
I'm so terrified of losing this one too. Grow babies grow (mine and yours and everybody's)! I'm feeling very superstitious about doing any of the things I did last time, and even though I think all of the "no sex, no lifting, no vacuuming" stuff is irrational and ridiculous (wouldn't the human race have died out by now?) I'm being really really cautious.