How do you define contentment? Well, it is "the quality or state of being contented." Helpful? Not as helpful as I'd hoped. So the state of being contented means what exactly? The word contented is defined as "feeling or showing satisfaction with one's possessions, status, or situation." Now we can have a discussion.
Can you show satisfaction with what you own or who you are or the situation you're in without actually feeling satisfied? People do it every day! It's called acting! We put on the mask and make believe everything is great all the time. Is that true contentment? Far from it. Does merely acting like you are content do the trick? Huh-uh, not even almost.
Our life is frittered away by detail. Simplify, simplify. - Henry David Thoreau