Translation of "Excites" in French

Which is what excites me.

ça m'enthousiasme.

- Your success excites my envy.
- I envy you your success.

J'envie ton succès.

As long as what you're doing excites you and feels important,

tant que la cause que vous vantez vous semble intéressante, pertinente

- I am completely agog over your diaphanous dress.
- Your see-through dress really excites me.

Je suis en grand émoi devant ta robe diaphane.