While in the car, Garan's son — who has autism and "often yells or makes 'mmm' sounds when he tries to respond back" — had a back-and-forth exchange with his dad. Garan asked the questions and Max responded with screams and kicks.
"I explained to Max that he should try to learn our language because it will make life easier on him. Daily, I challenge Max to push a word or two out," Garan wrote in a blog post for Autism Speaks. "It's actually unbelievable that we've come this far, but here I am, talking with Max, listening to what he might be saying, and doing what I believe all of us should do who are affected. Engage autistic people in the hope that they will engage with you."