You're a college student visiting another city. You can't afford to stay in a hotel, so you want to stay at a friend's small apartment. After explaining your situation, you ask him like this.
Listen, do you mind if I crash on your couch for a night or two?
You ate dinner at your friend's parents' house. The food was very, very good. After eating, you say:
This was literally the best meal I've ever had.
compliments, exaggeration, food, guest, literal, meal, perfect aspect 
A friend is coming over to have dinner with you in your home. You let her into the house. You need to go to the kitchen to check on the food, so you say:
Make yourself comfortable.
guest, set expression 
Your nephew is visiting your house. He seems to be cold. You want to offer to turn the heat up. You say:
I can adjust the temperature, if you want.
You're at your uncle's house. It's pretty cold. You'd like your uncle to turn the heat up, and you also want to know why it's so cold there. You ask:
What do you have the thermostat set to?
cold, complaining, guest, temperature, visit 
A coworker is visiting you at your home for the first time. You want to be polite, so you offer him something to drink:
Can I get you something to drink? Coffee? Tea?
You have visitors at your house. You offered them something to drink. They asked what you have, so you answer:
Well, let me see... I have water? Sprite? beer?
