It is only their third session together but along with the size of his muscles, Rob's fitness levels have massively increased. He also really enjoys showing off his physical strength to Cassie and the other hot girls in the gym and takes in the envious looks he is getting from the skinnier boys as Cassie once puts him through his paces.
The vest Cassie gave him yesterday has also become tighter against his pecs, arms and shoulders. At one point he feels like ripping it off and showcasing the rest of his body to the rest of the gym but settles with pulling it up to wipe his sweaty face, showing off his six pack in the process and making Cassie squeal. His hair has become longer and more unruly and Cassie hands him a baseball cap to help key straggly sweaty strands away from his eyes.
By the end of the session Rob and Cassie are finding it hard to keep their hands off each other. Within the privacy of a changing room cubicle, she lets him fondle his breasts and she in return massages his growing dick within his gym shorts, sending him wild. He whispers profanities into her ears and she giggles with delight at his deeper and dirtier tones.
Once alone, Rob gives himself a cold shower to try and calm his lustful urges and stares at his reflection in the mirror as he is drying off afterwards. He can remember being smaller, weedier and with a less defined and handsome face but finds it hard to work out how exactly things changed. He feels more confident than before but is slightly panicked when he realises he also feels less 'clever' than and now struggles to remember most of the things he had spent years studying. He tries to shrug it off as he redresses and heads out to meet Vickie before returning to school.
He looks good, feels good and can easily get the attention of babes like Cassie and Vickie, that should be all that matters.