Reddit reviews Sex Position Coloring Book: Playtime for Couples

Coloring is actually quite relaxing, almost meditational. They offer highly detailed adult coloring books now, such as this one and this one, as well as comedy novelty books (NSFW). Definitely worth considering for people who need a new way to relax.

http://www.amazon.com/Sex-Position-Coloring-Book-Playtime/dp/1612432409/ref=pd_bxgy_b_text_z

If you're further along in your dates, this could also be a fun thing to color together (slighty nsfw link).

You said the guy was perverted, so... (The following links are NSFW. Funny, but NSFW.)

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Good luck!

This one is so much better:
http://www.amazon.com/Sex-Position-Coloring-Book-Playtime/dp/1612432409