Things that make you go Humm...
This is what happens when you help ungrateful people who are nothing but venomous snakes. Lesson learned.
Ungrateful people who take advantage of others
Ungrateful people - how about showing some gratitude? It's an action verb.
How to Raise Ungrateful, materialistic and Selfish Children---
Brains scans revealed that being ignored is neurologically similar to experiencing a mental breakdown & or psychosis. - Wonder if it's true.
Chivalry isn't dead, guys just get tired of ungrateful bitches. - I happen to love guys opening doors for me. Moral of the story, don't be ungrateful.