YOU SAID:
Haha what if we kissed?
INTO JAPANESE
もし私たちがキスをしたら、ハハは?
BACK INTO ENGLISH
If we kissed, haha?
INTO JAPANESE
キスしたらハハ?
BACK INTO ENGLISH
Why don't you kiss me?
INTO JAPANESE
キスはしないでね.
BACK INTO ENGLISH
Don't you kiss me.
INTO JAPANESE
キスはしないでね.
BACK INTO ENGLISH
Don't you kiss me.
That didn't even make that much sense in English.