India, Feb. 1 -- Deep understanding between partners is widely seen as key to a sustainable relationship. And Portland-based counsellor, Jeff Guenther shares a simple test to find out how well you know your partner. Calling it a 'love map', Guenther defined it as: "How well you know your partner's inner world: their stresses, their dreams, quirks, and favourite things." Guenther shares 10 questions to start:...