Push your butt toward him as he enters you. Then position his legs outside yours. The blood will rush to your head, so you can experience erotic inversion when you come. Sometimes, "I'm too tired" actually means "I'm too tired. Scissor your legs through his so you're super close and he can go deep as he enters you. Rest your arms by your side, or stretch them out in front of you.
Taya. Age: 24.
Turn around and straddle him — with your back toward him — and then lower yourself onto his erect penis.
Melanie. Age: 26.
The Best Sex Positions for Women
The immobility of this position makes for deeper penetration — a big plus for you. Lie down on your stomach and, keeping your legs straight, spread them slightly. Since he's enjoying being the power behind this position, let him do the work while you lie back, relax, and orgasm.