Family means not that on counting of members who living togher. Family means that when we have any problem , there is any dangerous at that time all member staying together.
When we make a good family? To make a good family first start from ourself..means when anybody get into problem we should understand them and give them a positive thinking. Love everybody and be very carefull that any of your action should not disappoint your family.
When you are living in joint family, you should not think that this is her/his work, but think that this is all our work and we have to finish it together. To make a good family, spend some time with each other in your family members.