Weight loss and marriage

It seems to me from several blogs on this site and from my own experience with my first marriage that weight loss and marriage seem to be a issue....Why is this?** Is it insecurity on the other spouses part?* Is it that we feel better about ourselves there for we want all aspects of our life to be better meaning we no longer want to put up with the parts of our marriage that has been wrong for so many years?*
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I experienced problems thru out my whole first marriage but it just seemed to esculate once I started loosing weight and feeling better about my self...Like I said I have seen a pattern here on buddy slim and this got me to thinking about this subject and my own personal experience with it.
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Any thoughts or opinions on this subject?
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xoxoxo
Becky