YOU SAID:
I have a shitsu up stairs and she pees when she's nervous
INTO JAPANESE
私は階段を上っていて、彼女は緊張しているときにおしっこをする
BACK INTO ENGLISH
I go up the stairs and pee when she is nervous
INTO JAPANESE
彼女は緊張しているとき私は階段とおしっこを上がる
BACK INTO ENGLISH
I go up the stairs and pee when she is nervous
Come on, you can do better than that.