And love can be shown merely through words. But true love requires action. An action that is powered by genuine affection. What is a genuine affection?
It's more than a simple "How are you?", "I like you", "I love you". While no action is shown, no genuine love is felt. It's more than helping each other; without a sincere heart, no genuine love is shown. Therefore, it is an action with sincerity, giving all that you have.
Start from people around you, began showing them a genuine affection, cares for them, honors them.