IN: Write the next sentence in this paragraph:
How to train your rat to do tricks
Rat-proof any rooms.
When you train your rat, you will do this outside of the cage. Make sure the room is rat-proof so you keep your rat safe.

OUT: You don't want your rat running off or getting hurt! Close up any exits, remove other animals, and move electrical cords and wires that it could chew on. You should also get rid of any chemicals or substances they could eat.

IN: Write the next sentence in this paragraph:
How to not worry about something
Call a friend.
When you find yourself worrying, immediately get out of your head by getting in touch with a friend. Strike up a conversation about a relatively neutral topic unrelated to your worries.

OUT: You can give your friend a heads up that you are worrying and need a distraction. If your friend is reasonably logical and grounded, you might talk through your worries with him or her.

IN: Write the next sentence in this paragraph:
How to use less space when packing your suitcase
Use a list.
As much as possible, roll clothes before adding them to the suitcase. This makes the clothing more compact and it can also guard against wrinkles and creases.

OUT:
Do an experiment between laying clothes out flat and packing them rolled. You'll notice the space difference immediately.