毕竟曾经许多年
[bì jìng céng jīng xŭ duō nián]
This nickname, 'After all, there were many years,' reflects the owner's recollection of past memories and time gone by. It often indicates someone who is reminiscing about important and long-lasting experiences or emotions from their past. They might be acknowledging that these past experiences have shaped them into the person they are now.