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Romance.  The diamond industry will try to convince you that a chip of carbon is the only thing that will show a woman you love her.  I call bs on that one.  The diamond industry is well-marketed and has done it’s job to make a pretty worthless product valuable.  Oh, the ladies out there are probably hating me now (well done, diamond industry!).

How about writing your wife or husband a little note to tell them how much they mean to you?  Price:  Zero (well, if you don’t count the pencil and paper).  How about telling your wife you love her?  Write her a poem (the cornier the better)?  You get the idea!  Some other great romantic writing ideas can be found in 101 Romantic Love Letters.