When did your Morning Sickness start?

valeivegas

My last pg I had horrible morning sickness - that lasted about 4 months.  I remember being nauseous most days - and it even started a few days before I got my BFP.  Now, granted I am only just 4 weeks along but I haven't really felt sick at all - yet..!  It actually is making me worry/wonder a bit.  When did any of you start having morning sickness?  Did anyone have one pregnancy where you were really sick, and a subsequent one where you felt totally fine?