YOU SAID:
115好きです妹は私をバカだと思って115が好きです!
INTO JAPANESE
115好きです妹は私をバカだと思って115が好きです!
BACK INTO ENGLISH
I like 115 My sister thinks me stupid and likes 115!
INTO JAPANESE
私は115が好きです妹は私をバカだと思って115が好きです!
BACK INTO ENGLISH
I like 115 my sister thinks me stupid and likes 115!
INTO JAPANESE
私は115が好きで、妹は私をバカだと思って115が好きです!
BACK INTO ENGLISH
I like 115, my sister thinks me stupid and likes 115!
INTO JAPANESE
私は115が好きで、妹は私をバカだと思って115が好きです!
BACK INTO ENGLISH
I like 115, my sister thinks me stupid and likes 115!
That didn't even make that much sense in English.