All it takes is for Zach to hear the revving of the trash truck engine coming down his street and his excitement can hardly be contained.
"I hear him coming this way, here he comes!" Zach Taylor says.
Every Thursday, Zach waits with his mom for Roanoke City trash truck driver, W.C. Nimmo, to stop by and say hi.
But this is more than just a visit, this weekly tradition has turned into a major milestone for Zach and his family.
"He didn't really have a desire to talk," Zach's mother, Cara Taylor says. "The first real compound set of words he started putting together were words for W.C. He really wanted to learn to say trash truck and garbage can."
It started with W.C. waving from his trash truck. At first Cara says Zach was a little nervous, but then he came around and his vocabulary skills started skyrocketing.
"It just exploded. I think what they called it is a language explosion," Taylor says. "Probably 6 months after W.C. started paying attention to what was going on , that's when we went, wow he started talking for the trash man. The trash man made a difference. So it was a big deal for us."
"When you see these kids out here and you see people, it makes your job easier and it makes your job more fun and gives you something to look forward to," Roanoke City employee, W.C. Nimmo says.
Now, Zach always wears the trash truck shirt W.C's wife made him and then W.C. takes a little time to talk shop with the four-year-old.
"This is how you dump the truck," Zach says.
While, the Taylor family couldn't more grateful for the friendship that's helped their son blossom, W.C. says they aren't the only ones who get something out of it.
"He's fun," Nimmo says. "I look forward to Thursday probably more than he does some times."