DEAR ABBY: I’m 28 and have been dating my boyfriend, “Spencer,” for 2½ years. We have talked a lot about getting married. We know where we want it to be, who will be in our wedding party and what the theme will be. A year ago we discussed getting engaged. Spencer said he’d propose “sometime within the next year” and last spring it seemed like he was working up the courage to do it. (He was talking about how happy he was and what he was seeing for our future). Then his best friend got his girlfriend pregnant and told ...