YOU SAID:
God entered my body like a body my same size
INTO JAPANESE
神は私と同じ大きさの体のように私の体に入った
BACK INTO ENGLISH
God entered my body like a body as big as me
INTO JAPANESE
神は私と同じくらい大きな体のように私の体に入って来た
BACK INTO ENGLISH
God came into my body as big as me
INTO JAPANESE
神は私と同じくらい大きな私の体に入って来た
BACK INTO ENGLISH
God came into my body as big as I
INTO JAPANESE
神は私と同じくらい大きな私の体に入って来た
BACK INTO ENGLISH
God came into my body as big as I
That didn't even make that much sense in English.