About 2+30 he begins to mash and polish her cervix. When she starts making those guttural sounds, that's the signal to double down and keep going for more. Don't stop when she starts coming, that's just the beginning. The orgasm train is pulling out of the station, for parts unknown and uncharted!
She doesn't seem to be in pain and willingly rides cock .. I honestly think she could go bigger and enjoy .. my cock sleeve gets me pretty big and wife rides it very well .. the problem is the intense pleasure creates waves of organisms that are exhausting for women at some point .. about 10 mins