They say good things come to those who wait. They also say a watched pot never boils.
Well, now I say a watched proof never foams.
Yeah, that was a reach. I'm making homemade bread. I have the yeast in water and milk, per the recipe, and am just waiting for it to 'work'. It has to go active, then start it's yeasty goodness. When it looks like foam on the top, I can add it to the flour and other stuff.