First praise the parents for sharing, and then point out that what he said is good. For example, you can point out that you feel that you need more children to communicate and care about their growth. This kind of reply can make parents feel that you are listening carefully, which is very rewarding.
Parents, formerly known as the head of the family, refer to parents or other guardians, generally referring to parents or guardians of minors, or parents or other guardians or elders of children.