愿我年幼所爱之人是我年迈伴老之人
[yuàn wŏ nián yòu suŏ ài zhī rén shì wŏ nián mài bàn lăo zhī rén]
This username expresses a wish that the person they fall in love with during their youth will stay by their side and become their lifelong partner into old age. It conveys deep commitment and the hope for lasting companionship over time.