We know, we know.  We’re thinking the same thing.  How did that wine manage to go go undrunk!?  However shocking it may be that a bottle of wine has managed to survive the night at your house unfinished, it does happen on occasion. A few days may even pass, and while you won’t be eager to sip on days-old wine, you may feel guilty tossing it.  But WHATEVER you do, you can’t let it go to waste!  If and when the time comes, there a few great ways to reuse your leftover wine. Read on below.