我发誓不想以前那个你我发誓不念以前那个你
[wŏ fā shì bù xiăng yĭ qián nèi gè nĭ wŏ fā shì bù niàn yĭ qián nèi gè nĭ]
I swear I do not want the former you, I vow not to miss the past you. This shows a resolve to move on from someone's past self, indicating a willingness to focus on the present or a changed person. It conveys a determination to not dwell on memories of the past.