Lemonade

The stand was made of cardboard and markers. “Free Lemon Ade!!!” the sign announced.

“Would you like some?” asked the little girl, perched on an overturned milk crate.

Mrs. Titchley smiled. “You're just giving it away? That's not very good business sense.”

The girl's brother poured a glass and handed it over. She sipped. Her eyes widened, then rolled back. Her sip became frantic gulping. Rivulets ran down her face as she drank without stopping. She held out the empty cup, gasping.

“Another!” she demanded.

The boy's smile thinned. “Only the first one is free.”