Femme lesbians, how do you respond when people assume you're heterosexual?

[TEEGisridin'solo]

For example, when a guy hits on you, or when people refer to your partner automatically as "he". How do you politely tell them your sexual orientation? or do you just let it go?

 

[Kristina:D]

I would just kind of laugh/smile and say im faltered but not interested

 

[MrEd2]

If i were one i'd eat a girl(her bottom) right away.