More info on the am I a lesbian masterdoc ( Am I a Lesbian ). The idea is that because society's view of womanhood is so deeply defined by relationships with a man, a lot of women are raised to believe what they want is a relationship with a man, even when they've only ever been in love with women. Basically, a lot of lesbians envision themselves as in straight relationships, eg daydreaming about being married to a man, having fictional male or celebrity crushes, etc, or even having real life relationships with men- not even unhappy ones- but feeling like something is missing.
So, in the lesbian community, there's this concept of compulsory heterosexuality (comp het).
