a drought
All the water falls back down to the ground.
They both blow steam
The best thing (and least likely thing) that would happen is that she would melt into your arms and let you have your way with her. The less desireable thing (and more likely) is that she would slap you silly and kick you in the jewels. The least desireable (and still more likely) is that she would call the police and have you arrested for assault and battery getting you, at a minimum, a police record for misdemeanor assault and possibly a sex offender label.
A non polar compound would be least likely to dissolve in water.
You would likely pass out.
At the very least you are going to the hospital for treatment, and also very likely to be subjected to emergency commitment for mental observation.
the plankton population would decrease
A mutation in a person's skin cells would be least likely to impact their ability to produce insulin as insulin is primarily produced by pancreatic cells. Skin cells are not directly involved in insulin production or regulation.
we would most likely be called by numbers
It would likely separate.
It would most likely cry.
in your bed