How to throw a katy perry themed birthday party
Gather information.
This means, figure out the day of the party, the start time and the end time, where, extra information, and who you are going to be inviting.
Send invitations.

You are going to want to send out your invitations about a week or two before the day of the party. If it is a last minute party, get them out as quick as you can! You can make homemade invitations, or you can buy some from a party store.

Two men are seen speaking to the camera when another walks into frame laughing and walks away. The men continue speaking then lead into an arm wrestling match between the two. one

beats the other and flexes his arms to the camera while smiling.

Two athletes walk through a hallway then chop an upright log in a competition. Cheerleaders enter through a hallway then dance on stage. two athletes

enter through a hallway then use a hand saw to cut through a log.

How to spot signs of victim mentality
Look for signs of blame.
A major indicator of the victim mentality is the tendency to place blame on outside sources for the state you are in. Maybe you blame your spouse because you stopped going out with friends and ended up feeling socially isolated.
Maybe you blame your parents for not exposing you to certain opportunities in life that would ensure your future success. No matter where blame is directed, it's essentially useless.