Get into a heated argument with someone. I got into one with my ex-wife last night. Ended up with the worst headache in a long long time afterwards. Took 2 aspirin and zonked right to sleep.
PS - Advice for the single guys. Stay single. One of the worst things in life to deal with are ex-wives. OMG she's one of the most beautiful women in the world on the outside and the hardest personality to deal with on the inside. Knows how to press all my buttons to the max and does.
