Lady having face-lift and trying to hide age

A woman decides to have a face-lift, for her birthday. She spends
$5000, and feels pretty good about the results.

On her way home, she stops at a newsstand to buy a newspaper. Before
leaving she says to the clerk, "I hope you don't mind my asking, but
how old do you think I am?"
"About 32," is the reply. "Nope! I'm exactly 47," the woman says happily.

A little while later, she goes into McDonald's, and asks the counter
girl, the very same question. The girl replies, "I guess about 29."
The woman replies, "Nope, I'm 47."

Now she's feeling really good, about herself. She stops in a
drugstore, on her way down the street. She! goes up to the counter, to
get some mints, and asks the clerk, this burning question. The clerk
responds, "Oh, I'd say 30." Again she proudly responds, "I am 47, but
thank you."

While waiting, for the bus to go home, she asks an old man, waiting
next to her, the same question. He replies, "Lady, I'm 78, and my eye
sight is going. Although, when I was young, there was a sure way, to
tell how old a woman was. It sounds very forward, but it requires you,
to let me, put my hands under your bra. Then I can tell you EXACTLY
how old you are."

They wait in silence on the empty street, until curiosity gets the
best of her. She finally blurts out, "What the heck, go ahead." He
slips both of his hands, under her blouse, and under her bra, and
begins to feel around, very slowly and carefully. He bounces and
weighs each breast. He gently pinches each nipple. He pushes her
breasts together, and rubs them against each other.

After a couple of minutes of this, she says, "Okay, okay, how old am I?"

He completes one last squeeze of her breasts, removes his hands and
says, "Madam, you are 47." Stunned and amazed, the woman says, "That
was incredible, how could you tell?" The old man replies, "Promise you
won't get mad?" "I promise I won't." she says.
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He replies, "I was behind you in line at McDonald's."