according to Deez, the duder didn't know she was planning to go out with a single male friend. regardless of how he obtained the information, the fact that she didn't tell him is, in fact, a huge communication breakdown. come on; did she honestly think -- or worse, expect -- him to be cool with it? she can't expect him to say "lol, modern life, i'll deal because we're all free spirits" -- either that, or she clearly didn't know him well enough to accurately anticipate his reaction.