Why does Holden tell Allie go home and get your bike and meet me in the front of Bobby Fallon's house?

Holden tells Allie to "go home and get your bike and meet me in the front of Bobby Fallon's house" because he wants to spend time with Allie and play together. This suggests that Allie's death deeply impacted Holden, and he continues to cope by holding onto memories of their childhood together.