In Robbie's second session with Cassie, he is more energetic and enthusiastic than before. She puts him through his paces with some pull ups and squats which seem to both immediately stretch out and bulk up his limbs, making Robbie look both taller and bulkier.
Robbie had turned up in another overgrown t-shirt but halfway through the session it has become tighter and is covered in sweat so Cassie helps him pull it off. She giggles excitedly at the sight of his small pecs and lightly defined four pack and Robbie grins as he admire his shirtless reflection and the sight of a hot girl flirting with him in the mirror opposite.
They are done exercising and Cassie says she will finish today's session with a sports massage. As she rubs his shoulders and back, they grow in response becoming bigger and wider. Her physical touch also drives Robbie mad and his boner is pretty apparent from within his gym shorts.
Robbie finishes the session with a shower where he whacks off to the thought of Cassie's perfect body and tight cleavage. He previously only admired girls if they were intelligent and had modest demeanours but now values looks above personality and prefers the thought of girls like Cassie who prefer partying to studying and know how to have a good time.
He meets Vicky outside in the reception area where she has just finished her own session with Steve and becomes immediately aroused again. She is even slimmer and bustier than before, her body showcased in a baby pink gym top. Her hair is straighter and longer and her eyes look bigger and clearer, no longer hidden behind thick rimmed spectacles. He doesn't both to disguise his admiration of her body and She in return giggles brainlessly at the attention and sight of Robbie.
Cassie had handed him a singlet to replace his t-shirt which shows off his muscular arms and shoulders and the beginnings of his pecs. He is also taller than before and seems to walk with more confidence. He can tell the effect he is having on Vicky too which just makes him swell even more with confidence and arousal.
As they walk together back to school, neither Vicky or Robbie act on their impulses or the admiring looks they are getting from strangers, but they can't keep their eyes off each other.