Breakups can be unexpected and emotionally taxing. But every now and then, two former partners decide it give it another shot. The pair may very well feel that they're happier together, having realized during their time apart that their lives aren't as rich without the other person. Perhaps they tried dating a few others beforehand but none could hold a candle to their old flame. Friends or relatives of the two considering reuniting may advise against the move, claiming it's a train wreck waiting to happen. Others may be a little bit more sanguine about their prospects, possibly intimating that they never felt the lovebirds should part ways. The reason why they broke up in the first place should always be factored in. For example, if someone cheated, can the other person really trust them? Similarly, if someone broke things off because, say, they needed space, or for undisclosed reasons, who's to say they won't do it again? Partners have every righ...