b Try to guess the missing words in these callers' tips.

Caller 1

Live in the present, not in the past.

Caller 2

Think positive thoughts, not negative ones.

Caller 3

Don't spend a lot of time reading the news or watching the box on TV.

Caller 4

Every week make a list of all the good things that happened to you.

Caller 5

Try to use kind words when you speak to other people.