Three construction guys sitting on a roof eating lunch.

first guy opens his bag and finds a peanut butter sandwhich

"man i swear if i get another peanut butter sandwhich tomorrow I'm jumping off this roof"

second guy opens his bag finds himself a ham sandwhich

"I am so sick of ham sandwhiches everyday if i get one tomorrow im jumping off this roof"

third guy opens his bag and gets a tuna fish sandwhich

"really another tuna sandwhich I am jumping off this roof tomorrow if i get it again"

Next day

First man opens his bag finds a peanut butter sandwhich and jumps off the roof

Second man finds a ham sandwhich also jumps

Third guy gets tuna again and jumps too

The police and ambulance show up to the scene along with the guys three wifes.

first wife cries "if only i knew he didn't want peanut butter I would have made something else"

second wife cries the same.

The third wife just stands there shaking her head.

Both wifes look at her "why are you crying you have a cold, cold heart!"

The third wife looks at them still shaking her head "Because I didn't make his lunches he did....."