无心无情无忧愁有心有情有甜蜜
[wú xīn wú qíng wú yōu chóu yŏu xīn yŏu qíng yŏu tián mì]
Translates into 'without mind, without affection, with no worries, with mind, with emotions, with sweetness'. The user probably means they once had nothing, neither pain nor pleasure; but now possess true feelings and happiness - possibly suggesting personal growth or a shift in perspective over time.