In other words, avoid all sexual looseness like the plague. Won't Hurt Anyone. Many people are permanently hurt, either emotionally or physically, or both. Even those not directly involved such as your friends and parents may get hurt. Sin is like throwing a pebble in a pond, it involves only the pebble and the water, but it sends ripples across the entire pond.
Sin is never solitary.
It always has rippling effects. Sin can also be compared to a spreadsheet where a change of one cell affects the entire outcome at the end. One's philosophy of life is like the controlling formula of a spreadsheet. When one part is changed, it changes the whole of it. The church is a vital part of society and as such, has the responsibility to uphold that which is the best for society.