Carol and David's respective spouses had 'a clear spark' and it was 'obvious' that they were falling for each other. David and I are never apart when we're swinging and I love seeing and hearing him getting turned on. By the end of the holiday, we had done a full couple swap with another couple and we became fully-fledged swingers. The couple were introduced to swinging on an adults-only holiday in Mexico Father-of-three David said: Carol and David were both in sexless marriages before they met Unlikely meeting: In March , the pair went on vacation to an adults-only, topless optional resort in Cancun, Mexico, and had their first swinging adventure. The two marriages ended on the same day in December and the following day Carol and David met up to have 'revenge sex' to get back at their exes. We've been together twelve years now and we learn more about each other every time. Carol and I ended up having sex in the same room as them and a few days later, we met the British couple again. The two couples met on a ski trip in August and started socialing together once home in Montreal. Life has never been better. Carol and David, who works in sales, now host their own relationship advice radio show called 'The Sexy Lifestyle with Carol and David' on VoiceAmerica. Montreal swingers say sex with others strengthens their relationship. We got chatting to them and they started telling us about their swingers lifestyle. Carol and David's respective spouses had 'a clear spark' Meanwhile Carol said her relationship with her husband, who she married at 27, had become 'platonic' and that they only had sex twice a year 'if that'. The two marriages ended on the same day in December and the following day Carol and David, pictured, met up to have 'revenge sex' to get back at their exes The couple, who married in , are also in talks to produce a feature-length film about swinging David said: There was so much frustration we were letting go of.