Mums have developed some good sensors as to how the children feel about dad being away and when you spend time with them. What about asking the children’s mum to identify things they like and things they don’t like about these times.
Remember not to take it as criticism. No need to jump straight into a conversation with the child and seek answers. This is easy to say but harder to do. It is about improving and a chance for you to get a feeling on how you children are coping.