Words don't exactly mean *nothing.* Negative words, for example, aren't cancelled out by positive actions. But the point to remember is, "Words & actions go hand in hand." And when it comes to positive words, actions speak louder.
I lost my mind trying to understand how you could have told me you missed me all those countless times as well as the times you told me you loved me and then happily break my heart like it meant nothing to you.