If you or anyone you know has ever struggled with sadness or loss or depression, my guest

Don't try to help people distract themselves from their sadness.

Now, 'mirth' is another word for laughter and 'melancholy' means 'sadness' so it sounds like there's a bit of a contrast here.

So, here it's saying Matthew Perry was able to make people laugh, but also that his characters could show sadness.

annoyance or excitement or sadness.

But beneath the surface, there's a lot of sadness and regret that we can't express from fear of seeming weird or a loser.

And therefore we should never aggravate sadness by feeling we must be freakish simply for experiencing quite a lot.

ALTHOUGH WE HAVE SOME SADNESS, OBVIOUSLY,

to solve it. But this picture involves fast thinking; understanding the emotion of sadness

“Emotions like sadness, guilt, grief and anger are beacons for our values. We don't get angry about stuff we don't care about. We don't feel sad or guilty about stuff we don't care about. If we push these emotions away, we are choosing not the learn about ourselves. We are choosing to ignore our values and what is important to us. And when we tell ourselves to 'think positive' and push negative or difficult emotions aside, it won't work.”

my roommate would lie on her bed in sadness and say,

In our sadness, back home alone after the nightclub or the party,

and my sadness is an enemy