Anything referencing Iceberg Slim's usually got some great pointers.
This, however, is not so wise...
"In order to help a women keep a state of happiness, one should buy her gifts for various reasons. These reasons include the 1 month anniversary, the 1 year anniversary, presidents day, and any day whose date is a multiple of one. These gifts could be in the conventional form of flowers and candy, or for greater happiness, cars and real estate."