Although loam is a combination of sand, silt and clay, adding sand to your clay soil, or vice versa, will not create loam. Doing so will result in something like cement.
According to Merriam-Webster, family values are values especially of a traditional or conservative kind which are held to promote the sound functioning of the family and to strengthen the fabric of society.
The family is a crucial instrument for the development of personality. It is here that the child first becomes involved in social life, absorbs its values and standards of behaviour, its ways of thought, language and certain value orientations. It is this primary group that bears the major responsibility to society.