1.Your face is as white as a sheet.
2.Choose the psychological moment.
3.Hide your light under a bushel.
4.I've become a beast of burden.
5.She's been cranky all day.
6.Eventually I caved in.
7.I've rallied now.
8.You make my heart flutter.
9.Jack shall have Jill.
10.He didn't bat an eyelid.