Dave is not used to the cold

Dave is in a bunch of winter clothes. He says, "jesus christ im dying". Rose is wearing her usual clothes, and says "Dave, it's like 40°."

dave is worried about death, rose says to man up

Dave is scared of something, Rose simply tells him to 'Man up'. Death is next to them as well.

When Dave is confronted by death, Rose tells him to man up.

Rose telling Dave to face his own mortality.

the end is nigh

It is the Huss. The author. The one who abdicated his throne but for a brief aside with the Jerkwad In Orange. HE OF THE LIPS.

Dirk and Roxy fuse and then take over the troll empire.