this is my pet peeve.a pound is a pound of anything.the correct saying should be a pound of muscle is more compact than fat.for example the volume of a pound of feathers is much larger than a pound of silver.I'll take the silver!
Who else is guilty of this? I'm pretty sure I've used every one of these at some point. Truth is that there are no excuses when it is something you want bad enough. Let's make 2015 the year of no excuses.