You focus on him becoming a woman much like you were before you became Jenifer Lawrence. It takes a severe amount of concentration but noting seems to be happening to him.
"Well, too bad..." Jacob starts to say, until suddenly he yelps. You watch as he gets shorter and the hair on his face and arms retracts into his body. The hair on his head rapidly grows, until it is long enough to reach the small of his back. His waist crushes inwards while his hips expand. His face becomes more feminie as his butt rounds out. His legs also become toned, and Jacob moans as his reproductive organs turn into those of a female. Her pants begin to slip to the floor, and she catches it with one arm.
"Wow... this is weird..." she says, still adjusting to her new, higher pitched voice. You let go of her arm, and she immediatley reaches her hand down into her crotch, and as she rubs her new organs she moans. You begin to feel your own crotch tingling and becoming moist. It gets more and more intense until you cants stand it anymore and you move close to her, grabbing her arm and pulling it away from her crotch. She blushes, and you slowly reach your arm down into her pants, rubbing the inside of her new organs. She moans loudly, and returns the favor. You feel a massive wave of plesure that causes you to shudder and moan. You both continue until you both reach climax. She looks into your eyes, slowly biting her lip. You lean in, giving her a simple kiss on the lips, and she kisses back passionetly. Mid-kiss you suddenly realise what you were doing, and Jacob must have too because she pulls away.
"This isn't right..." Jacob starts, "Is it?"
"It was just an in the moment kinda thing. It was pretty nice." You reply.
"It was... anyways... maybe we can try something else?" She says.
You decide to...