fisting

last night my bf was fingering me, he usually can only fit 2 fingers in. i squirted and he kept telling me to relax. which resulted in me being “lubricated” and super comfortable. he then was able to go from 2 fingers to 3 and then 4, and then like half of his fist. i know i shouldn’t feel embarrassed. because he knows i don’t sleep around like that and i was just comfortable and really wet. but part of me is embarrassed that he was capable of putting his whole fist in my vagina :/ Lol, i know i shouldn’t feel like this. but i do.