你的过去我来不及参与你的未来我要奉陪到底
[nĭ de guò qù wŏ lái bù jí cān yŭ nĭ de wèi lái wŏ yào fèng péi dào dĭ]
'I couldn't be there in your past, but I am here for all of your future'. This demonstrates devotion or commitment to being a consistent part of another’s life going forward even if one missed out before.