Hi Kea,
I thinks its very normal. As for MS, i know my MS is getting better, at week7 and 8, my MS is so bad that i puke almost everyday. Now at week 9, i puke like alternate days and 100% after car rides. But MS starts later and later. last 2weeks, everyday at 3pm onwards, I'm practically a dead person. For this week, MS can starts everyday at 7pm/8pm, all the way until late night. But still its getting better. Hope by next week, I can be back to normal, without MS.