The best answer to this question would be, "Whom would you like to invite to the party?". Whom is an objective pronoun.
Changes made for the sake of overall effects desired by dramatists.
The first choice (Using a sharp knife, cut each piece of bread diagonally into two equal pieces) It gives the reader a clear and detailed visual of how he is making the food
Hope this helps!!
Answer: because you chose not to make yourself happy.
Explanation: and what i mean is to find things that make you happy.