Bottom line is that no matter how sexy, how dedicated and how good of a woman you are, if you get involved with big money athletes you should know going in that there's tons of groupies and easy opportunity. The guys are human.
Most married men are only as faithful as their options, even the unsuccessful one's. These guys options are unlimited. It's a disaster waiting to happen and I'm sure she was aware of this going in. You never heard Michael Jordan's wife complain while he was the Tiger Woods as far as marketing in the 90's and he had a mistress in every city across the country.
Elin has already landed on her feet, she's financially set for generations. Tiger will be back, because this country loves the underdog and comeback stories. He just needs to disappear for awhile.