CHOOSE WISELY.
It’s a no-brainer. You pick the mermaid for the following reasons:
- tcha, ‘cos she’s a bayb.
- she has boobs
- she has a human brain, what’ll make her much more appealing
- she has fingers and a nice little mouth to break the sexual tension
- you don’t need to return the favour
- she can has lungs and thus can survive out of water.