when you can line the walls of your house with yoyos
When your bookcase becomes your yo-case. 
I do that alot. ;D
When you are on youtube, and it says “videos recommended for you” they are all yoyo videos. 
When you grab something and start swinging it around and doing slack stuff, and wish you were yoyoing right now.
When your family consists of yoyos.
When you are thinking about designing your room yoyo themed.
when you’re hugging your girl and you wind your yoyo behind her back.
When your wife think you like yoyo’s more than her.
my gf thinks i do lol
when you dream and all you dream about is yoyos
When your sister tells you so (I can’t believe no one posted that yet)
when you can convince your sister who is a ballerina and has no interest in yo-yoing to learn all the beginner tricks
when your home page is yoyoexpert.com
when you spend 4-6 hours a day playing with your yo-yo
all these things have happened to me and I am teaching my sister how to yoyo right now ;D
When you plan on posting the “66 Rules of YoYoing By John Higby and Ed Haponik” on your door to your room. 
I swear I did!! Haven’t post yet though. 
When all that comes out from your brain has something to do with Yoyo’s.
when a knot in your string is like natural disaster
when ur gf tells u to do ur worst and u do a yoyo trick
When the thing your mom grounds you from is your yoyos
when you post on this thread
why did you steal my picture?
I would never do that.
Guys, i worked really hard on that animation, and it took a long time (like, 5 whole minutes). I am glad you like it, but stealing it is just rude.