The church is not the building but the people in the building. We can get quality bible teaching from tv or internet now but going to church offers fellowship. If you both are not being fed spiritualy in everyway you should seek a church that feeds both of your needs. The last thing you want is your wife not going to church and backsliding. Look closely at signs you may be missing. Are you making the same impact there that you used to. Are you growing spiritualy or doing, hearing, experiencing the same things year after year. If your wife is a praying woman don't be affraid to listen to what god may be doing through her.