Zap a wet one in the microwave for 2 minutes every day and replace it every 2 weeks. Better yet, use cloths, towels, and rags that you can toss in the washer or clean with bleach.
Losing your temper over this would be a little over the top. Besides you came to drink with friends not cave someones face in On your way home early from work you stop to pick up some dinner. As you walk past a restaurant you catch a glimpse of your partner with another woman/man.