How do I stop my 7-month-old neutered male cat from escaping?

No, there's nothing wrong with him, he's just curious about the outside. My own cats are indoor only cats, and they treat to sneak outside occasionally too. Except for my deaf cat, that is, he has no interest in the outside at all! Maybe because he can't hear any curious sounds outside that make him want to explore. To keep him from doing this, just lock him up in another room when you go inside or outside :-)

Good on you for keeping them indoors! I keep my cats indoors all the time as well, it's much safer for them and better for their health. I would make it a habit to check where Johny is every time you have to leave or open the door before opening the door. Then he has less of a chance to sneak out. You can also get a screen door, which adds an extra barrier to prevent him from getting out. I hope this helps!

Unfortunately it is extremely difficult if not impossible to train a male cat to ignore the natural instincts, such as urine marking, which make them difficult to keep indoor. Male cat urine has an extremely strong odor, and is quite unpleasant, and it's their natural tendency to "mark" areas that they consider to be theirs, which in your case will likely be all around the inside of your house. He will also be very interested in leaving your house to roam in search of females, and to fight other males that he considers to be a threat. Clearly, these are dangerous behaviors. While you may be concerned about the safety of neutering, since it requires general anesthesia, I can tell you that it is a well-understood procedure that is nearly painless, and takes no more than 5 minutes if performed by a trained veterinarian. Once DoReMi is neutered, he will no longer have the "urges" that drive the behaviors listed above, and will be quite content. I strongly advise you to have him neutered, and soon, as he's getting very close to starting to become sexually mature.

It may be difficult to train Angel not to run out the door when she has the chance. Certainly vigilance if the best option. There are invisible fence options and motion activated blow horns which can act as a negative deterrent for Angel. You can also try environmental enrichment such as adding climbing opportunities, daily play time and food puzzles. These additions may not reduce her escape behavior but it may help make her happier. I hope this helps and please feel free to post any additional questions.

In my experience the only way to keep cats from fighting each other is to keep them indoors or to supervise all outdoor activity. This is likely territorial aggression but there is no way to explain to him that this other cat isn't a threat, and if you're not with him at all times when he's outside you can't intervene when he attacks the other cat. You could try training Khan to wear a harness and take him on walks - this definitely requires dedication and some cats will not tolerate a harness and leash.

It's likely that getting him neutered would help - "spraying" or urinating on objects in the house and wanting to roam outside are both very normal behaviors for intact males, so this is definitely the first thing I would suggest. These two things are the main reasons that almost all indoor male cats in the US are neutered :) Since he's almost two years old, there is a chance that neutering may not resolve these issues completely - behaviors like this can become a learned habit if they go on for long enough, so I would recommend having the neuter done as soon as possible.

No, there isn't. If you have multiple cats, keep a litterbox per cat plus an additional box in a "neutral" area of the house. Try litterbox attractants. You can find them in most pet stores or at www.pet360.com. Consider pheromone sprays or collars to decrease any stress or anxiety. If he can see out a window, draw the blinds to restrict his view. He could be seeing an outdoor cat that he perceives as a threat. Use a small animal repellent along the border of your property. Use an enzymatic cleaner such as Nature's Miracle to thoroughly clean sprayed areas.