“小生不才，承蒙姑娘厚爱，不知何德何能，却得姑娘青睐。

（鞠躬）请容许我向您表达我最诚挚的谢意！（再次鞠躬）

You are too good at flirting and seducing，I am not sure if I can hold back the temptation.