“You would think there's a natural limit to tears: only so much the body can give at one sitting before it runs dry.”
“I think that it's only natural that readers become writers. You can only learn so much before you have to share it with others.”
“So much ice.She thumbed a drying tear away.How much water can the weight of ice carry?”
“We can only sacrifice so much of ourselves in a relationship before there's nothing left to love or be loved.”
“There's only so long you can be at the zoo before it gets old.”
“There's only so far you can push a horse before it collapses”