You're going to come across people in your life who will say all the right words at all the right times. Bu in the end, it's always their actions you should judge them by. It's actions, not words, that matter.
What is the difference between "I like you" and "I love you"? Beautifully answered by Buddha: "When you like a flower, you just pluck it. But when you love a flower, you water it daily." One who understand this, understands life.