im new to home brewing i got my kit for fathers day and made the continal pilser that came with my kit it was down just in time for 4th of july and everybody love well my wife wanted me to make black cherry ale that is in one of my books and it says to lager it for 2 months could you help and let me know what the mean by that i currently have the beer in my primary fermenter and in about a week going to transfer it over to the carboy please let me know what it means to lager it thank you in advance