Get the other sock

Insert a washing machine
get a dozen single socks -- where do all those other socks disappear to? :^p

insert an end-of-drama two year time skip 
Get a Time Conflict.

*Insert Your Brain*...
Get a new one (???)

Insert your crush
Get a bouquet of roses

Insert your computer's hard disk
Get the rest of your computer

Insert some balloons
Get a room full of happy kids jumping around

Insert a pizza with your favourite toppings
Get a pizza with cheesy bacon on top XD

*Insert Soft-drinks*...
Get a party (probably a lame one haha)

Insert a donkey
get a money translator that tells you "aaa  aaa oooo ooo eeeeee" mean I'll kick him now!
insert a sheep that loves pizza 
Get an obese sheep

insert a vending machine
Get a coin

Insert your current obsession
Get online game

*insert sleepless...*
Get a asian drama addict

Insert a window
Get a door

Insert a spider