Not paying attention to what the other person is saying is one of the rudest things to do, but you should go one step further than just paying attention. Show the other person that you’re listening and engaged in whatever is going on in their life by asking questions, expressing sympathy when needed and making them feel as though you truly do value their presence in your life.

https://www.theactivetimes.com/healthy-living/how-to-show-gratitude