Can you argue while being in a distance relationship?

Ok so my friend is engaged, but they are in a distance relationship just for a couple of months. They used to live together for 3 years but he had to move because of work. Now the thing is that she saw something that she didn’t like so she decided to ask him about it and he said that is ridiculous that she argues even when they are at distance. Do you guys think arguing is a problem if you are in a long distance relationship?

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