For a small child push down 1 1/2 but for an adult you push down 2 inches
Answer:
Offer water or a v1rg1n drink (a drink without alcohol)
Pretty much, anything works. If you want to demonstrate bodily autonomy to a child, respect the decisions they make. If they make a VERY stupid decision, then tell them no.
If it's pretty much anyone, let them know you trust them.