Where are you going?

I was sat in front of the TV watching the horse racing and my horse came in first at 10/1. As I was celebrating, my wife walked in the room crying her eyes out. "What's the matter?" I asked.

She replied "My Mother has just had a heart attack and been pronounced dead" I grabbed my coat and ran out the front door when she yelled "Where are you going?!!!"

"To the shops to do the lottery,

Spoiler:

they say it happens in 3's!"