I had read about it from the books I managed to buy from the town's library back in Glow Star, it was a way to ensure children, make the mating process easier. Shortly after the marking, the female goes into heat,

I heard how your body feels like it is on fire, that other males even fight over the female, and now my heat decided to come at the worst time ever, it was much worse in wolf form, and it took every ounce of my concentration to keep my Wolf at bay, all Shira wanted was to seek to ...