A MEMBERSHIP TO ALIBINETWORK.COM
The secrecy of an affair is what tends to interest men at first, but keeping it quiet can be costly. 		$595
A TRIP TO THE DOCTOR FOR ANTIBIOTICS--PAID IN FULL TO KEEP IT OFF INSURANCE FORMS
Adulterous men usually don't use condoms with the missus or the mistress; an STD is bound to pop up. 		$499
YOUR ANNUAL RAISE
Men in rocky marriages are more likely to take their at-home stress to work, causing productivity to dip. 		$4,300
A GYM MEMBERSHIP TO BOOST YOUR MOOD
Affairs tend to make men especially prone to depression. 		$264
LEGAL FEES
Between 46 percent and 62 percent of cheaters dip their pens in the company ink. Watch out for a harassment suit. 		$1,050
FAMILY THERAPY
Infidelity is one of the hardest hurdles to clear in couples therapy, and it's especially hard on adolescents. 		$3,600
BLOOD-PRESSURE MEDS AND A DIGITAL BP MONITOR
Marriage trouble has been shown to significantly raise a man's blood pressure. 		$163
TOTAL $10,471

Lettermark
Matt Bean
Matt Bean is the senior associate editor for Men's Health.