inside me里inside是介词,意为:在我心中

inside of me里inside是名词,意为:我的内心深处

inside of = inside 前者是美国英语用法.

Macmillan Dictionary:

Inside:

as a preposition (followed by a noun):What’s inside the envelope?Inside of is sometimes used instead of inside,especially in American English:I had a strange feeling inside of me.