YOU SAID:

I lick my toes because I have no girlfriend.

INTO JAPANESE

彼女がいないのでつま先をなめます。

BACK INTO ENGLISH

I lick my toes because she is not there.

INTO JAPANESE

彼女がいないので私は私のつま先をなめる。

BACK INTO ENGLISH

I lick my toes because she doesn't.

INTO JAPANESE

彼女はしないので私は私のつま先をなめる。

BACK INTO ENGLISH

I lick my toes because she doesn't.