Sahih al Bukhari
3562

Narrated Abu Sa`id Al-Khudri:The Prophet (ﷺ) was shier than a veiled virgin girl

3562.2

Narrated Shuba:A similar Hadith (i e. No. 762) with this addition: And if he (i.e. the Prophet) disliked something, the sign of aversion would appear on his face