1 in 10 couples may suffer with it - but what is it?
It's been reported that one in ten new marriages will be rocked by post-nuptial depression. So why do some newlyweds suffer with more than a hangover after the wedding celebrations?
As the wedding season gets into full swing, Jenni talks to Denise Knowles, a counsellor for Relate and Professor Diana Leonard from the Institute of Education in London.