You can handle young snakes, but it must be kept to a minimum. Since you only have one snake (like I do) of course you want to handle it, but you have to do what's best for the snake. How much does he/she weigh and how long is he/she? A juvenile snake can be handled for about 5-10 minutes each day (after leaving 48 hours after feeding, so effectively you can handle your snake 3 times a week if you're following the Munson Plan, and then if you so wish, 5 times a week when your snake moves on to larger prey items, since you'll only feed once a week then). But watch for signs of stress such as going off food, becoming reclusive if the snake is normally active, or vice versa.
When your snake becomes a yearling then you can increase handling times to 15-20 minutes each day, depending on the individual. As your snake continues to grow then you can gradually increase the time, again, depending on the individual. When they reach adulthood, some are content to 'hang out' with their owners, but this is very few, since most Corns will be reasonably active when being handled. When they're adults some people even take them to the shops and perform tasks with them, this is all down to the person handling and the snake itself.
I hope that helps
David