Becoming Weak in Love

At the end of Romans 14, Paul continues his discussion of the weak and the strong. The weak are in a precarious position, and the strong must be careful in how they use their liberty to not hurt the faith of those who are already weak. Why should this matter to them? Is not the sin of the weak their own sin? Why is food such a big deal, anyway? In this text, there are three primary actors, and we can learn much from each of them: