Adding a day and 5 edges while giving a dildo or similar object a blow job.
Reduction opportunity
Play 1 game of mastermind
http://www.webgamesonline.com/mastermind/
ONLY 1 ATTEMPT!
If you solve it in -
1 move - 100% reduction
2 moves - 80% reduction
3 moves - 70% reduction
4 moves - 50% reduction
5 moves - 30% reduction
6 moves - 25% reduction
7 moves - 20% reduction
8 moves - 10% reduction
9 moves - add 1 day
10 moves - add 2 days
Fail to solve it - add 7 days