A- excercise jaw muscles so that large smile will not strain face.
B- Relax
C- It will tend to hover nose high.
D-Relax
E- It will be a lot more quiet without all that "RPM" "Speed" "Trim" jabbering going on.
F- If in doubt go around.
G- Have bottle in car to present to long suffering instructor - heavens knows he deserves it.