[wat10000]

How do you know?

[emp17344]

Because there’s no evidentiary reason to deny the existence of my own phenomenal experience. I appear to experience, and the simplest conclusion to draw from that appearance is that I truly do experience.

[wat10000]

I completely agree with that argument, but that only covers one person.

[ThrowawayTestr]

Because I'd be sad if we didn't.