A Big Glass of Water
A man goes to the doctor and tells him that he hasn't been feeling well. The doctor examines him, leaves the room and comes back with three different bottles of pills. The doctor says:

"Take the green pill with a big glass of water when you get up. Take the blue pill with a big glass of water after lunch. Then just before going to bed, take the red pill with another big glass of water."

Startled to be put on so much medicine the man stammers:

"Jeez doc, exactly what's my problem?"

Doctor says,

"You're not drinking enough water."

bad advice
Walking past the Royal Courts of Justice one day, a man spotted a friend of his sitting on the steps outside, sobbing loudly with his head buried in his hands.

"What's the matter?"

he asked of his friend, "did your lawyer give you bad advice ..?"

"No - it's worse than that," replied the friend between sobs, " he sold it to me..."