Why Exploding Salsa Reminded Me of Software Development

Yesterday my wife was making salsa in the blender. She put all the ingredients in, put the lid on, and went to turn it on. Our blender has got a few extra buttons, and I use it more often, so I went to help. We got the blender going, salsa was looking great, but in a classic case of too many cooks in the kitchen, I gave the blender one extra pulse AFTER my wife had removed the lid.