I'm not sure but me and my husband were highschool sweethearts we been together since 9th grade, it's been 6 years we have a 1 year old and expecting our first daughter in sept 17 on my hubbys :) . People said it would never last but I could never imagine anything better. were honestly like best friends . Never broke up or really had a serious fight . His mom and dad are also hs sweeties they been together for 30 years they still look pretty happy along with 5 sons and a baby daughter :) . we also were eachothers first gf and bf .