Flings are second nature to a man like Jack – exhibit A, of course, being the dalliance with Roxy Mitchell that resulted in his fathering her child. We’ve also seen him dating Max’s wife Tanya while Max was away from Walford. But in recent months, Jack has appeared committed to Sharon since she returned to town. In fact, he’s become increasingly incensed by Phil’s attempts to lure Sharon into taking part in his fostering scheme. On the one hand then, it would seem implausible for Jack to have returned to his womanizing ways. But can a man with such a keen eye for the opposite sex ever truly be tamed?