Stepmom/second wife support?

Amy
New here, sorry if this is a stupid question but I'm looking for a group for stepmoms and/or second wives... 
 I would like some support/venting/shared humor with other stepmoms or new wives who may be dealing with bio mom or ex wife drama... (not the teenage relationship BS so rampant in other forums). I'm married to an absolutely amazing younger man, who has an absolutely adorable toddler, with an ABSOLUTELY AWFUL ex wife. The drama from her is off the charts and f'ing neverending.  I can't be the only one out there!
I scrolled and scrolled the groups, but didn't see anything and also didn't see a search function.
Anyone know of such a group? Or interested in joining if I start one?

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