sexually active
Ich wusste gar nicht, dass du sexuell aktiv bist.
I didn't know you were sexually active.
— Juno (2007)
Bist du sexuell aktiv?
Are you sexually active?
— Roma (2018)
Meine Mutter weiß nicht, dass wir sexuell aktiv sind.
My mother doesn't know that we are sexually active.
Er wird sexuell aktiv.
He becomes sexually active.
— Don Juan DeMarco (1994)