When you begin you can of course make stupid mistakes and get away with it. As you go on, the safety of the other is more important than your own. Eventually the coach intends to make you perfect for peak achievement. Climbing Everest needs some training, but it is mainly a mindset that gets you there. If you merely avoid the act, you never learn how murder is the opposite of loving.
Love gets angry, but cools off before murderous anger takes hold.
I never want to bother with you again. Nor does God's kind of love ever treat anyone like a stupid idiot. Similarly with adultery. Even short term partners think it is wrong to have an affair on the side. At first sight that sounds like a way to condemn us for finding the opposite sex attractive.