Remember that just because you’re both women doesn’t mean you have the same genitals - for example, one person might be a cis woman with a vagina, while the other might be a trans woman with a penis. It’s easier because you’re both women.This is the dynamic for some couples, but not all - and remember, penetrating doesn’t make you a “man.” Some people believe that one partner does all the penetration while the other does all the receiving. Someone has to be “the man” in the scenario.
There are lots of myths out there about lesbian sex.