怕爱过以后他转身爱别人
[pà ài guò yĭ hòu tā zhuăn shēn ài bié rén]
Expressing 'Afraid that He Will Fall for Someone Else After Loving Him/Her,' the username conveys worry about the impermanence of relationships—the concern that one might be replaced once a former lover moves on to find someone new post-separation.