Yeah - most people probably doesn't just think "I'm not feeling great, so I'll force my facial muscles to create a smile". Instead they are likely thinking "He

Yeah - most people probably doesn't just think "I'm not feeling great, so I'll force my facial muscles to create a smile". Instead they are likely thinking "Hey, what am I bitching about, things aren't so bad. I have lots of things in my life to smile about, so let's do it.".