Why working out together keeps couples together. Endorphins Make People Happy, and Happy People Just Don’t Leave Their Boyfriends June 10, 2016 Mark Stenberg 1 min read Follow Us Why working out together keeps couples together. Facebook X Pinterest Linkedin Email Whatsapp Mark Stenberg Leave a ReplyYour email address will not be published. Save my name, email, and website in this browser for the next time I comment. Δ Post navigation Previous Story Previous post: Endorphins Make People Happy, and Happy People Just Don’t Leave Their Boyfriends