Or prepare him for the real world and give him one of these classic neurotypical lines:

• “We’re all a little autistic.”
• “Oh, no one can tell. I didn’t even notice.” (in the most inauthentic voice possible)
• “No you’re not! ‘Insert random relative’ 's son was autistic and he couldn’t speak at all. You’re nothing like that”

(Please do not do this)