Oh, boy. This used to be a simple answer. When the very first YouTubers started making money, it was predominantly through electing to run ads on their channels' videos (which you can still do today), but also through selling merchandise. Creators would link to their branded t-shirts, stickers, buttons...
These behavior changes often become annoying to owners, and sometimes owners think their cat has some unusual illness. Some female cats will urinate more frequently or may even spray urine on vertical objects (marking) when they are in heat.The urine contains both pheromones and hormones, both of which act as signals of her reproductive status to other cats. This is the reason that queens in heat attract intact male cats.hese behavior changes often become annoying to owners, and sometimes owners think their cat has some unusual illness. Some female cats will urinate more frequently or may even spray urine on vertical objects (marking) when they are in heat.
A female cat, just like a male cat, can and will spray when on heat, or feel their territory is being threatened. They spray very strong-smelling urine to communicate with oth â¦ er cats in the area.3 people found this useful.emale cats can mature as early as four months. Some female cats  will spray when they are sexually mature that is usually between  four and six months. Spraying of females â¦ is often when she is in  heat. 2 people found this useful.