The meaning of life, apart from sex. It keeps you alive and such. The flavors of good food have a seductive quality that puts the mind at ease and lets you forget about stupid shit, such as your girlfriend being incredibly demanding and on her period. Come on now, what gets you through every day besides a good meal and (especially if you actually cook it) the promise of getting laid?
I gave her food and she gave me a blowjob in return. It was tasty for the both of us!