心给你玩玩腻了请还我
[xīn jĭ nĭ wán wán nì le qĭng hái wŏ]
The username 'My Heart Belongs to You, but I'm Tired of It - Please Return' describes the situation of a brokenhearted person who has given their heart in a relationship, expecting to get it back when the novelty fades. There's a strong sentiment here about losing oneself in someone else, possibly at the expense of personal integrity or happiness, followed by eventual disappointment or weariness from that connection.