Arguments often occur in every relationship, what’s important is how you handle the problem after having an argument with your partner. After the argument with your partner, take some time to yourself and think of what could have caused the argument.
Give yourselves some time to calm down and then gently have a conversion with your partner on the problem and find a way to solve it.
Whenever you have a misunderstanding with your partner, think of it as a problem that you both have. Every relationship has some time of ups and downs. Find the problem, fix it together and move forward from there.
Be prepared to let it go. That's for starters. You may be convinced you are right, but if you want the argument to end then you have to give way. 'Let's agree we disagree on that one. I don't want to argue with you anymore, my time with you is too prcious.'
That should calm her and charm her! If you find there are too many occasions when you are quarrelling, this suggests that the friendship is not very profitable for either of you, and perhaps it's time to move on .