YOU SAID:

Both girls stare at me like I have three heads.

INTO JAPANESE

私は3つの頭があるように、両方の女の子が私を見つめる。

BACK INTO ENGLISH

Both girls stare at me, as I have three heads.

INTO JAPANESE

私は3つの頭があるので、両方の女の子が私を見つめます。

BACK INTO ENGLISH

Both girls stare at me because I have three heads.

INTO JAPANESE

私は3つの頭があるので、両方の女の子が私を見つめる。

BACK INTO ENGLISH

Both girls stare at me because I have three heads.