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 the divine building block of society. Find out what the purpose of family is and why family values are a cornerstone in the Mormon faith. mormon.org