Flowers, candy and a nice romantic dinner are in order. Get on the stick and make the reservations now! It's not too late to lie a little. " Dear, I wanted to surprise you!" I forgot once and it worked for me. Monty
Your name and avatar seem appropriate in this case. It looks like "lonesomebob" may be in the doghouse with snoopy. Seriously though take Monty's advice.
After fifty eight years of marriage, I think your at the age of having sometimers. Make sure you don't forget her birthday, valentines day, Christmas or anything else for an offally long, long time.
It turned out well, she only remembered it just before she called me The decision was that eight + weeks of driveing her to the hospital for antibiotics , everyday, made up for it. Old age plays hell with the memory. Bob