I owned a cat for 10yrs who sadly passed away a year ago. Didn't feel I wanted to get a new one, due to frequent trips away from home. In the last month a new neighbours cat has started hanging around in my front garden. The cat has now established a daily routine of sitting on my front door canopy. She/he doesn't meow or attempt to come inside. Would it be possible that the scent of my cat still exists after a year and would this draw cats in?