Many people have problems to some extent.
However, it's nothing to be friends. It's normal. Over time, people around you must change, and the problem is not pure. If I have to say,
To determine whether the heart is healthy, I think it depends on how deep your understanding is.
But I dare say that 100 people go to see a cardiologist. There must be 99 heart problems, and it doesn't matter. Everything can change.