I have two sisters. All you have to do is keep breathing; I'm sure that will work.
Reply "This is the thanks I get for loving you and trying to find your real parents"?
give him a hug and tell him that you love him.
Just be yourself.
Hang out with his friends at school and pass the time over memories of him crying.
turn off his XBOX or any other system while he is playing and then reply "you sould a read more" then for the last step RUN REALLY FAST!!!!!
do that too
super glue is always fun..
i crazy glue my bros iphone to his night table.. goodtimes.
poke him stick
take all his clothes and hide them. Do this when he is having a bath or shower!
put custard in his shoes
repeatedly poke him with a stick