your friend is currently going through a tough time in her relationship i know that you have been rugged relationship on recently.I would like to give some pieces of advice .the happiness is only share moment who you want to with share it, instead to live a perfect life with somebody. Other piece of advice is to try to talk before having argument , however if he want to shout out let him do it, then he will stay more relaxed . now the real gist of the happiness is share your daily life with your partner as if it were a gift , let me explain the last tip that i think it is worth mentioning , do not treat of cheating only try convince she up , and the aspect that always work is humor sense and joy , it is essential to spark of happiness and cheer your relationship up a again.