Granny says: "You're going to war against the mortal enemies of all of orckind? Well you're not going out bare-chested, you'll catch a cold! Here, I knitted you a sweater from the fur of the troll you strangled bare-handed "
Plot twist: The heroguy is angry because the orc's employer forced her to do overtime at the ketchup factory and that's why they missed their anniversary dinner.