I guess I'd want to know if you've told your wife how much you enjoy getting gifts on your birthday and anniversary? Sometimes my husband and I (married September 23, 1989) don't even get each other cards. Often we talk about it and "agree" not to.
My husband isn't great with dates and remembering and I had a wonderful time when I planned our trip to Switzerland in 2005 during our anniversary date. I brought along a card in my suitcase and worked with the hotel that day that we were checking into (got a free miniature bottle of champagne :-) and loved the surprise and sweet bewilderment on my husband's face when he understood what I had done. We "share" everything so my gift was his surprise and pleasure at my gift rather than receiving anything he'd bought.
I find it is very hard to think of presents for adults since they can buy themselves anything they want. As a matter of fact, I sometimes "bargain" with my husband to get something I really want and have it "count" as a present for a future event :-) Other things I do is lay down a "pattern" so it is easy for my husband to follow. I have mandated I have to have a chocolate Easter bunny every Easter :-) so that gives him something he can "do" and is fun for both of us since I really enjoy it.
I'm very creative and love to think up unusual ways to surprise my husband though and often buy him "something" when I'm in the grocery store alone or running into the convenience store for milk and eggs! Often I will see something (small) that reminds me of him and I'll buy it on impulse. He likes Circus Peanuts (I can't stand them
http://www.oldtimecandy.com/circus-peanuts.htm ) and they're often hard to find so when I do, I buy a little bag, things like that.
Tell your wife things you like and give her a list for your birthday and Christmas and potential ideas for your Honeymoon. I couldn't think of a Christmas present so bought the plane tickets (only) to Switzerland and a couple guidebooks and left the rest up to my husband to plan for, the next September! He had wanted to ride on the Glacier Express
http://www.glacierexpress.ch/theglacierexpress.php and I knew that so I used "our" credit card and made non-refundable reservations!
That's another good thing; my husband is
always supportive of what I do, is "on my side" and trusts my judgment and I know it. I was able to make the trip reservations knowing they would be fine and, no matter what, he would be appreciative. Does your wife feel "free" to buy things for you, to spend money for herself and for you?