Granted, but after one hour you become extremely tired and fall asleep in all you lessons.

I wish I could be a rabbit.

Granted! But you would be really fat and ugly
I wish I could have a timetuner

Granted. But it's a five minute time turner.

I wish I could have 9 galleons

Granted but you can't spend them
I wish i could use magic outside of Hogwarts!

Granted. But you can only do magic outside school for 2 minutes.

I wish I could wear whatever I wanted whenever

Granted but... After one me wearing it you can never wear I again!
I wish I could have the best broom

Granted but it smashes after 5 minutes.

I wish I could have my own house.

Granted but it is always falling apart
I wish I could win every duel without hurting anyone

Granted. But you start hurting people all the time.

For a sickle, would you send a love letter to your crush?

Yes but I would not tell them who its from!
For a sickle would you ride on a dangerous broom?