because it's there

at the parking lot...

friend:  "you want me to inflate your tire?"

me:  "am i flat?!"

friend:  "no."

me:  "then why are you gonna inflate my tire?"

friend:  "because i brought my inflator."

huh?!  wahaha...  good thing he's not a surgeon otherwise 'twould be,

"you want me to operate on you?  i brought my surgical instruments..."

; p