Making your little penis as big as his wouldn´t change anything as long as it keep the same color. A huge white cock is still a white (white = no stamina) too fast cumming penis bro. You wouldn´t still be able to make pussies cum as long as a BBC must be involved to make you cum cause if a BBC is involved she will always choose the BBC to fuck her pussy.
Seeing her other livestreams after this one given the timeline has me worried about her mentality. She constantly be telling herself why is she like this in her streams.