Ordinarily I would feel sorry for Gemma after tonight's episode but I actually think she handled things pretty badly too. Matt is a dick but (assuming nothing happened prior to bridgegate) a) nothing had happened at that point and b) shouting and screaming at someone isn't going to suddenly make them see what they've done is wrong.
I also think unless we've not been shown Matt leading her on (and I don't see how considering they said neither of them have spent the night together since virtually the honeymoon) she's absolutely barking to think there was any hope there, or that Matt had given her false hope. As much as I dislike Matt and get seriously creepy vibes from him I think he's been, if anything, brutally honest that he doesn't give it much hope and isn't into her. Gemma is incredibly vulnerable and it was so uncomfortable watching her hold out some hope for this - but I actually think it may have been in her own head more than Matt giving it credence based on her desire to be validated. She kept saying 'but this is a marriage' as if the experiment automatically meant from day 1 you were emotionally and physically engaged with each other 24/7 without really hearing the experts mention time and time again that they (being all couples) need to work on connections.
I saw what looked like real emotion from Duka not when he started shouting at Thomas but when he was sitting with Gemma and she was crying. He looked genuine for the first time.
Ironically for a mental health worker Thomas is atrocious at managing his own emotional regulation. The annoying thing is most of what he says is totally with merit but it comes across so poorly that it's easy to see why he's marmite for a lot of people.
Matt literally makes my vagina seal shut.