How can I make this better?

Max swam over to Jess, grabbing her shoulder, and placing her on his back. “Just hold on, we're almost there,” he said, his muscles going into overdrive, his veins rich with adrenaline. It seemed like the longest swim of his life, especially with the extra weight on his back. But, Max felt alive, and a boost of energy he never had felt before. He knew it could have been just the adrenaline, but this strength seemed different from all those other boosts of energy during dangerous situations. His body felt like it was on fire, trying to extinguish itself by running around in circles. Max began to have an idea that the power of Abora had to do with it.