Any sister should help her brother get unloaded. What does it cost her to give a blow job or let her in the pussy? It's not like she's gonna get wiped in a couple of times. But she'll get his respect and an extra workout in return. Plus she gets to taste his condensed milk for free. )))
It's nice to watch how lesbian girls have fun in bed, it's especially interesting to see what they do with a strap-on. Because they do to each other what they would want men to do to them. So there is something to learn.