Being observant and aware of your surroundings is infinitely helpful towards avoiding a heart attack.  Just because an apartment is quiet does not mean it's empty; you never know when your roommate may pop out of unexpected places.

See:  June-Lesson 12

It is quite amusing how much you can trick someone into believing something. It also takes a lot of work to doing that, but it is definitely worth it!

Like in the movies, the pupil--the protégée--will surpass the sensei.

Make sensei proud!  ^-^

You can still prank your friends even if you're a thousand miles away! Example: Wish that your friend doesn't know whether or not to touch black rubber on your car door. Pray that she does after a really hot day and therefore leaving some nice red marks on her hands for the next few hours! MUAHAHAHAHAHAHAHAHA!

When going to bed at night, be sure to turn on the light and examine every nook and corner of the room before sleeping. Someone might be lurking in the midst of the closet.