Talk about crossing the line! 

Phaedra Parks and Kenya Moore almost came to blows on Sunday's "Real Housewives of Atlanta."

The group -- who've been vacationing in Mexico on a trip that Kenya planned -- had one heated debate as Kenya tried to recreate a more "civil" version of the now-infamous "Couples Night." 

The group each picked different questions to answer ... but when the topic addressed their personal stance on monogamy and infidelity, Apollo made one shocking statement!   
Check out the video above to see what Apollo had to say about NeNe Leakes' question "do all men cheat?" 

Apollo, who was already on thin ice with his wife Phaedra after having an intimate conversation with Kenya the night before, should have probably kept his opinions on cheating to himself.  

Parks, who's clearly still upset that her husband and costar seemingly crossed the line last season by engaging in suspicious texts and flirtatious behavior, threatened Kenya when she tried to address the "elephant in the room" thereafter.  

Check out the video above to see how Phaedra reacts when Kenya says she should let her husband "speak for himself!"  

We definitely think both Apollo and Kenya have not respected the boundaries of Parks and Nida's marriage. 

What do you think about Apollo's cheating stance? Tell toofab in the comment section below!

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