What Does it Mean to Be Human (encore)?

What does it mean to be human? Are we happier without religion?  Is there a difference between how Christians find happiness and the secular humanist approach to happiness? Timmerie shows how happiness is a vital part of being human. She covers the importance of giving, relationships, and the impact social media has on our lives. 

Gaudium et Spes http://www.vatican.va/archive/hist_councils/ii_vatican_council/documents/vat-ii_const_19651207_gaudium-et-spes_en.html