你不过是仗着我爱你而已
[nĭ bù guò shì zhàng zhe wŏ ài nĭ ér yĭ]
Expressing a somewhat hurt feeling. It says you're acting this way only because you know I love you, implying some resentment or being tired of unequal treatment in a certain situation where one party feels overly indulged or taken advantage of due to the other’s excessive affection.