Does 愛 belong to 你 or to 我 in this sentence 你心裡明白 我對你的愛?
In 我对你的爱, it should be broke up into 我 [ (对你的) 爱 ].
So 你的爱 is not a sub phrase here.
对你的爱 means love for/to you.
The sentence can be tranlated as: In (your) heart you understand my love to you