Are people really as happy as they seem?

Are people really as happy as they seem?. I don't know why but I thought I would try get some other points of view on this question. What it is I'm basically stuck in a rut, I don't have many friends, I'm still single at 22, I'm quite shy when it comes to meeting new people. I was out last night and was feeling a bit low. When I see other people having a laugh with friends, mixing with girls and that I feel quite envious, I always wonder "will I ever be that cool and happy?", then I thought to myself "are they really that happy?", just because they're are laughing and joking about, does that mean they are truly happy?, if I was happy and having an active social life would I be paying this much attention to other people?, I think I just assume people are happy because I am not happy at the moment. Hopefully I am not the only one with this view, but to me it seems quite logical, as I envy what other people have, I want to be the confident cool guy, who has a laugh with friends, has girlfriends, pretty much enjoys life. So are people as happy as they appear to be? Your views please
Are people really as happy as they seem?
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