Ask Amy: i did son’t understand he had been someone that is dating until he married her Plus: i do want to see where grandma is hidden, but my mother is fighting me personally. DEAR AMY: i have already been casually dating a close buddy on / off for more than 2 yrs. He’s 16 years more than i will be. We never considered the connection severe. Each time we sought out, he initiated it. Columnist Amy Dickinson (Bill Hogan/Chicago…