1. DS

2. F

The things that make us happy never change.

(…and what made you happy last week might not make you happy next week!)

3. T

The surveys show that teenagers who do exercise are happier.

(Experts believe that exercise can make you a happier person because it releases chemicals in your brain that are related to a feeling of pleasure.)

4. F

When we feel depressed we shouldn't eat chocolate.

(… it seems, according to some experts, to be good to eat chocolate when you're feeling sad.)

5. T

Exercise and eating chocolate can produce similar results.

(And when you feel sad, go for a run or eat some chocolate - you'll soon cheer up!)

6. F

It’s important to value even short moments of happiness.

(You can be happy for brief moments and you should value these times.)