Have 4 feral kittens in our garage that are 5 weeks old. I've been trying to get close to them but they hiss and spit at me. I don't want to stress them too much so I leave them pretty much alone. I just poke my head in where they are every day and talk to them. Any suggestions to get them tamed down? Mama cat is around. She comes to me in the morning when it's feeding time but other than that she keeps her distance.