"My best sexual encounters usually involve a certain kind of mood or atmosphere," big-titted 40-year-old Casca Akashova said. "I think it's very healthy to experiment, to explore your own body and your sexual nature, to find out what you enjoy. I can be assertive or passive. It depends upon the situation I'm in and the person I'm with." <br> <br> Here, Casca sets the mood for you by wearing sexy lingerie that shows off her big tits and overall perfect body. She plays with her tits for a while before she gets around to her pussy, fingering it while she also shows off her fine ass. <br> <br> "Sometimes I dress to emphasize my breasts and other times not," Casca said. "It depends on where I am and if I'm with someone. Sometimes I'm aware of someone paying attention to my breasts, but whether or not I am, I just carry on normally. <br> <br> "A man should be straightforward and confident. Never cocky and rude. Eye contact, respect and smiling are very important. A guy should always be genuine in his compliments.…