threesome to spice up your relationship?It's a risky move as inviting another person into the bedroom can lead to feelings of jealousy.Nathan and Mady, from Swansea, learned this the hard way when they took part in Channel 4 show Open House: The Great Sex Experiment.The show gives couples the chance to open up their relationships to new sexual experiences to see if they'll thrive or crumble.According to WalesOnline, Mady was most worried that her jealousy would ruin the threesome experience.But as the pair enjoyed a steamy experience with Precious at the luxury retreat, it was Nathan who started to have doubts.Initially, the boyfriend had gushed: "It's going to be so good, more women, more pleasure."But he did not enjoy the experience.He felt left out and like a "spare part" and when Nathan did not want to get involved, Mady said to Precious: "It is a shame we can't go off and leave him to sleep."Nathan told his girlfriend: "You've made my first experience a bad one."You purposely made me feel like a spare part.
Your biggest fear about being the odd one out, you've put that on to me."Scenes were tense as Mady left the bedroom crying.Then the next morning, Nathan aired his fears that the relationship wasn't right for him anymore.After speaking to Dr Lori, the relationships expert at the experiment, both agreed to talk more openly about their feelings.Mady said: "I feel so bad, we were so focussed on my jealousy, how I was going to think, we didn't really take the time to think about how you would feel."They decided to give trying having a threesome another go and invited another girl Grace to join them for the night.This time with more communication the threesome was a success and Nathan and Mady left the resort feeling.
Read more on dailystar.co.uk