Why do woman get so much more sympathy when cheating?

Been reading infedility sites mostly loveshack anyways. It seems like on most post if a woman cheats it's okay because something was wrong or missing in her relationship. If a guy cheats he's an ass hole. If a cheating woman wants to reconcile she gets support on how to win her guy back.
if a guy cheats and wants to reconcile he gets shit tons of grief.
one exception woman who've been betrayed seem to be 5x more willing to save their relationships vs seems like a midecum of guys would. Most guys get told to walk away or talk about leaving and how to make the pain and moving in process easier.
Just seems like cheating woman tend to get sympathy when it comes to infedility.
Why do woman get so much more sympathy when cheating?
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