YOU SAID:
Kaja help I am crying of laughter and I can't contain myself.
INTO JAPANESE
Kaja help 私は泣きながら笑っていて、自分を抑えることができません。
BACK INTO ENGLISH
Kaja help I'm crying and laughing and I can't control myself.
INTO JAPANESE
Kaja help 私は泣いたり笑ったりしていて、自分を抑えることができません。
BACK INTO ENGLISH
Kaja help I'm crying and laughing and I can't control myself.
You've done this before, haven't you.