Making the beast with two backs does more than just put a smile on your face. A rockin' love life (getting it on at least once or twice a week) helps keep you healthy — and, it turns out, can also save cash. Ignore your sexual urges for 3 months and both your body and your wallet will take the following hits.

You Need...A nightly film from Movies on Demand
Research Shows...Habitual nooky helps you get your zzz's.
You Pay...$335

You Need...A foreplay-simulating Jejoue vibrator
Research Shows...It's the next best thing to human contact.
You Pay...$290

You Need...800 milligrams of advil four times a day
Research Shows...A G-spot orgasm can elevate your pain threshold by 40 to 100 percent.
You Pay...$67

You Need...At least one sick day every month
Research Shows...Booty keeps the immune system strong by raising levels of immunoglobulin-A by as much as 30 percent.
You Pay...$314

You Need...A posh weekend away to reconnect
Research Shows...Carnal play causes the bonding hormone oxytocin to spike to five times its normal level.
You Pay...$1700

You Need...Therapy once a week
Research Shows...Women who have sex regularly are less likely to be depressed.
You Pay...$1800

You Need...A weekly massage
Research Shows...The serotonin high from orgasm creates feelings of satiety that relieve stress.
You Pay...$780

You Need...Yoga classes
Research Shows...Boinking increases blood flow to all organs and burns 100 to 200 calories per session.
You Pay...$384

Total $5,670

See the high cost of skipping sun safety.