well! You can do good deeds for a while and show him that your responsible and you can handle him getting you a dog!
Tell her you are responsible
You CANT
he showed him the scar
You should turn on the charm.
You can convince your parents to get you a dog by telling them how your school research work demands the same.
prove that you're responsible
Prove that you are responsible, and can take care of it.
you can't stupid
start out asking for a small animal
Take a test and then show him
He begged
Usually a father dog does not know his pups