心甘情愿宠着你死心塌地爱着你
[xīn gān qíng yuàn chŏng zhe nĭ sĭ xīn tā dì ài zhe nĭ]
'Willfully Spoiling You and Truly Falling For You' emphasizes willing devotion and unwavering affection, indicating sincere willingness to dote and wholeheartedly love the subject without hesitation.