No of course not, but it does make you if you hold the internalized belief that it is wrong for a woman to be aggressive but it's totally fine for a man to have the same behaviour, because he's a man. Just make the following test - Would you call a man in the same circumstances a bossy bitch? If so, you are not sexist. If you answered no, then sorry but it's sexist
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you