"I come from a very conservative, religious background. I have always been the good girl, never getting out of line or doing anything bad." So said Rose Mastos, a 50-year-old wife, mother and grandmother from Colorado who is making her 50PlusMILFs.com about five years after making her worldwide sucking-and-fucking on-camera debut at 40SomethingMag.com. Rose is a beautiful redhead with a curvy body that includes a delicious ass she loves to spread for you. Enjoy her. 50Plus MILFs: What do you do for your guy to make him feel special, in and out of bed? Rose: I give him all my attention in bed and I try to figure out what makes him feel the best. I try different techniques, and I am really good at giving oral, so I do it for a long time. And he does pretty much the same thing, giving me the time and attention I need. Out of bed, I take care of him and find things that make him happy. 50Plus MILFs: Did you watch the scenes you shot for 40Something? Rose: Most of them. I don't like…