Simplify the following text for a Grade 5 native English-speaking person.
Original: When the ride is over , Michael realizes that the brain they just toured is his and that they are currently inside him while he is about to trip over against his feet and fall off a skateboard .
Simplified: When the ride is over , Michael realizes that the brain they just toured is his and that they are currently inside him . He is about to trip over against his feet and fall off a skateboard .