Adam wants to feel happier. according to the facial feedback hypothesis, what should adam do?

"Adam should smile more if he wants to feel happy".

The facial feedback theory, expresses that facial development can impact enthusiastic experience. For instance, a person who is compelled to keep smiling and pretend that he is enjoying amid a get-together will really come to discover the occasion a greater amount of a pleasant ordeal.

can you explain it better

answer; first blank(1); 30% two(2); salmonella; i believe this is correct; //good luck;