Gwyneth Paltrow has confessed that life is not a bed of roses at all times in her marriage to Coldplay lead singer Chris Martin. Speaking in a recent interview with Elle magazine, she said that both of them have to work hard at keeping their matrimonial relationship afloat and admitted that marriage is harder than it seems.Paltrow married Martin seven years ago and while she says everything is fine between them, she has dropped a major hint ...