Question

In the novel "To Kill A Mockingbird", Dill lies about his father—and many other things. What is probably his motivation? What does Dill add to the children’s lives?

Answer 1

Dill wanted to seem really cool, and interesting or exciting.
he added excitement and a sense of difference to their lives

Answer 2

Dill is an attention-seeking little kid, he's trying to make an impression on Jem and Scout, so he comes up with elaborate stories about how wonderful his father is. His father, though, in real life, is much of a bitter disappointment to Dill; he doesn't feel like he truly belongs in his family. He adds excitement and mystery to Jem and Scout's lives by always keeping it interesting with his tall tales and charming demeanor.