If anyone salutes, just move your hand and bow your head a bit.

You're just his height.

Look straight in front of you and take long strides.

Bend your head forward a little; there, that's it." "I'm scared!" announced Mabel, by way of asking for more particulars.
She wasn't scared in the least.
"Piffle!" Grim answered.

"Remember you're Lawrence, that's all.