The estranged wife of South Carolina's adulterous governor said her husband's infidelities make it harder for her to raise morally conscious sons.

'My hope is in the long run they'll be better men for it, better husbands and fathers in the long run,' Jenny Sanford said on 'Good Morning America' today. 'These are weighty subjects to have to discuss with your children.'

South Carolina first lady Jenny Sanford recalls how she made the 'leap of faith' to marry husband Gov. Mark Sanford even though the groom refused to promise to be faithful, insisting that the clause be removed from their wedding vows.

'It bothered me to some extent, but ... we were very young, we were in love,' she said in an exclusive interview with Barbara Walters to air on '20/20' Friday. 'I questioned it, but I got past it ... along with other doubts that I had.'