Translation of "D'adulte" in English

Sa dent d'adulte pousse derrière sa dent de lait.

His permanent tooth is coming in behind his baby tooth.

Je ne m'attendais pas à devenir ce genre d'adulte.

I didn't expect to become this sort of adult...

Et que vous avez emmenés dans votre vie d'adulte ?

that you've taken with you into your adult life.

En train de saboter, peut-être, votre vie d'adulte.

and that may be sabotaging your adult experience?