That's interesting. I realize you can argue about people in general (e.g. 21 is still fine with me!), but how can you negate someone else's feelings? It's like

That's interesting. I realize you can argue about people in general (e.g. 21 is still fine with me!), but how can you negate someone else's feelings? It's like replying "no, you are not" to someone saying "I'm sad."