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Geesh, another thing Chas felt he had to out do me in. Chas, don't feel you need to roll your truck 4 times.
I just wanted to take a sec and honor the long marriages represented here.
My wife and I are in the 7th year of a 60-year marriage! (I wonder if the warranty is out...after all most states only support a 7 year warranty?)
Your marriage warranty is invalid if you don't maintain the chemistry. Its just like a spa, ignore the water upkeep and forget about your filters and soon you'll be dumping and starting over.
I look at marriage like building a campfire, you have to add a lot of different things in the beginning like paper, twigs and kindling along with a spark. Then you have to watch it closely and just add small dry wood to baby it along in the beginning however, once you build a good bed of hot coals you can throw just about any log on the fire to keep it burning and if you really want a blaze select a special pitch log but no matter what, you have to remember to constantly add fuel....