But Why?

"I don't get it....why are you folks putting in a swing set? I mean....don't get me wrong I'm happy to make the sale and install it for you...but you don't have any kids that I can tell! What's the point?"
"Well we do have friends over and sometimes we have guests from out of town and we'll use the swings pretty frequently I think!"
"Okay, I see! Well I'm all done here....do you want to try it out?
"Do you want to help me?"
"What do you mean....like give you a push?
"Not exactly....."