Sex Drive

I've been married for 1 year but been with my wife for over 10 years. Sex life at the beginning was I normal ish, but never really the new relationship sex that you have, but anyway it was there and obviously satisfied my needs, as the relationship went on over the years the sex slowed as I'm sure is a normal thing to happen... But my sex drive never slowed down... I'm always horny and I fully understand she's not going to want the same thing over and over again, but I need the release, I work hard and I'd say my days revolve around the release of sexual tension. As time has gone on this has been more down to me doing it solo than together (her choice more than mine) , its now got to the point where I know I can satisfy my daily needs alone rather than waiting on the once a month occasion she actually wants to have sex. It's driving me mad to the point where I just want to be Intimate with my wife and I just dont want to get rejected daily for it. Am I at fault and just thinking of my own needs? Is she just not that sexually attracted to me? Am I the problem