我没在你身上少花心思
[wŏ méi zài nĭ shēn shàng shăo huā xīn sī]
'I Haven’t Spared Any Effort on You,' implies significant investment—of emotion, time, energy, thoughtfulness—towards 'you' (usually referring to another person). Conveys the extent of dedication and seriousness about caring for or thinking about someone.