First, let me say that I am not against the consumption of alcoholic beverages in moderation, if it is not against the conscience of the believer and this is the only factor involved. I am perhaps against Mike’s Hard Lemonade as it doesn’t sound appealing (if it's for the taste, I'd just drink lemonade).
The issue is not the exercise of Christian liberty - instead it is the exercise of Christian responsibility. If my wife believes that drinking is a sin, and I occasionally enjoy a Mike’s Hard Lemonade in accord with my conscience as an exercise of my “Christian liberty,” then there is an issue. It is an act of Christian irresponsibility. While my wife may agree to disagree, it remains that she believes I am continuing in sin. She will not be able to fully view me as a godly husband. I have, in this regard, placed my fleshly desires above the love of my wife. I guess the question you should ask is whether or not it is better to forgo a drink if by doing so you glorify God towards your “weaker” brethren and present a testimony of love towards your wife, or if the taste of the beverage is worth the division in belief that spurred this thread.
There is a matter of conscience, for everyone will give an account of himself to God. We have liberty in Christ. But this is not a liberty without responsibility. If my exercise of Christian liberty causes a brother grief, then I am not walking according to love - instead I am allowing what is for me a good thing to be spoken of as evil (Romans 14:15-17). We should not allow our liberty to somehow become a stumbling block to the weak or tempt a brother to sin by acting against his conscience. It would be better to refrain from exercising this liberty (1 Corinthians 8:9-13).
The bottom line is that we were called to freedom, but not to turn our freedom into an opportunity for the flesh, but through love to serve one another (Galatians 5:13).