Damn right you are

You ask, " 'Roommates with benefits' means what exactly?"

"Simple. When the opportunity occurs, we fuck like there is no tomorrow," Diane responds.

Seeing the look on your face, Diane goes over to the table and picks up a wrapped condom. Unwrapping it as she walks back, she holds it against her mouth and skillfully rolls it over your rigid cock without touching it with her hands.

As you still lay on your back, Diane climbs onto the bed and straddles your hips. You wrap a hand around your cock to hold it straight as Diane says, "Time to feel some fresh cock stretching my pussy open," while bending her knees to drop her wet snatch onto you.

She moans as her lips are spread by your cock's helmet. She stops as the head disappears into her body. She holds there for a moment, then pulls off you and drops down. She yelps as she takes 4 inches before stopping.

Diane bounces up and down on your cock for 15 minutes, taking 6 inches inside her but still not having it all. Sweat is dripping off her tight body, giving her a beautiful sheen.

You have been mesmerized by her bouncing tits, and Diane stops and says, "My legs are killing me." She practically falls forward onto your chest, and you wrap your arms around her. You start thrusting upward into her with hard strokes, as she opens her legs to give you better access.

Holding her tight, you drive your cock a little deeper each stroke. You can tell she is so close to cumming, and as you finally stretch her pussy around your cock until your balls hit, she cums with a loud yell. You keep your cock fully inside her until she comes down from her high.

"You have done all the work so far, now it is my turn," you tell her softly.