(found this funny topic on a message boeard:

...You break eggs hoping a Yoshi is in one of them.
...You start speaking with an Italian accent.
...You start jumping on turtles.
...You think said turtles can breathe fire and live in castles.
...You think you only have 300 seconds to be in an area.
...You complete all 96 levels... in a half-hour.
...You pick up a tulip, hoping it will make you toss fireballs.
...You pick up a feather, hoping it will give you a cape.
you think you can shoot fireballs.... then you try and succeed
- you think eating green mushrooms will give you an "extra life"
-you try to walk on clouds
You try eating a mushroom thinking you'll become 2X larger than you are now.
You start walking on butter.
You swim in pools of soda.
You go into ancient houses thinking ghosts are in there.
You stack things of vanilla on top of more vanilla thinking if you shape it like Vanilla Dome,a castle and Ghost House will appear.
You look for moles in cookies.
You look for rhinos on chocolate
You think if you fall you die
You jump as high as Luigi
You ride dinos
You hit stars just to be invincible.
...You hit your head on blocks, hoping a vine will come out of one of them.
...You're not collecting state quarters, but collecting Dragon Coins
...The only time you don't play it is when you go to sleep.
...You see a keyhole and are disappointed when it doesn't grow in size.
...You go to castles expecting spiked orbs swinging in circles.
You try to earn "points".

You think that for every 100 coins you get you'll earn an extra life.

You eat flowers hoping to gain fire power.

You think that Bowser kidnapped your girlfreind when she actually dumped you because you played SMA2 too much.
When you become an astronaut and fly to 5 different stars, hoping that, after completely 'beating' all of them, a new world will open up.