for Izzy Hoyland (Natalie Bassingthwaighte). The couple have broken up and divorced, but have later reunited and remarried. Woodburne has named the Karl, Susan and Izzy love triangle as one of her favourite storylines. Woodburne believes that Karl and Susan have a strong connection that is "based upon such a good grounding". Karl and Susan are best friends who enjoy each other's company, share a deep connection and take joy in each other's quirks and ways. Woodburne described them as having a "really solid foundation for a marriage" and she has said that she does not want to see Susan and Karl's relationship break up again. Holy Soap have called Susan and Karl "contenders for the friskiest couple on Ramsay Street". Following their "passionate arguments", the couple enjoy making up together. They have a healthy attraction for each other. Fletcher says he and Woodburne find the scenes "funny". Fletcher said "Karl and Susan every now and again do go through a phase where they become slightly more amorous than in their tougher times and tougher storylines – suffice to say it's not bawdy, but I think the audience will enjoy the fun aspect". Karl and Susan have been caught in the nude together on three occasions; at the beach, in Lou Carpenter's (Tom Oliver) spa and when they went skinny-dipping in the bush. When asked what makes Karl and Susan popular with viewers, Woodburne said "Because I think they're so flawed. There's two things: they make horrendous mistakes, both of them, but they both are coming from a place of well meaning. They're both wanting to try and do the right thing and be helpful, but so often they get it so terribly wrong, and I think we can all relate to that." In May 2011, it was revealed that Susan and Karl's marriage would be run into trouble, when Susan becomes emotionally involved with another man. Susan strikes up a friendship with local builder, Jim Dolan (Scott Parmeter), as he fights cancer, causing problems between herself and Karl. When asked by Channel 5 about her reaction to the storyline, Woodburne said "I think it's a great story. Karl and Susan are both in their 50s; they've been married together; they've raised a bunch of kids; they’ve had careers and jobs. And to use the popular term 'empty nesters', that's what they’re looking at. For him he thinks, 'That's great,