Try to lighten up if you can. Be more tolerant. Give each other space. Tell each other how much they are appreciated. Rituals are symbolic events that can support and aid growth and healing.
Rituals can help the family in the healing process and reaffirm family bonds.
As an example, one family who lost their home in a fire filled balloons, each representing something they lost in the fire. The family gathered in a circle at the site of their home and said a few words about what each item meant and then released the baboons in the air. After some time has passed, review what has happened with your family. Concentrate on how each person has changed or grown. Take time to do fun things.