Those positions that involved Research.
8 months is best
Buffalo and Bison are good at charging and mating.
69ing is the best way to go.
on her back is the best posision if your gf is short
You have to identify your negotiating positions to get the best batna. Sometimes you have to alternative your offer.
sideways, and up
69 DUDE
doggy style
The Lateral or RAO (Right anterior Oblique) positions usually are the best positions to demonstrate the sternum.
Across the room from each other.
appendicitis