One of mine used to come in from the garden, puke on the carpet, and go back out again. I always figured it was where he felt safe at a very vulnerable moment.
If you mean Linux, you are. You have the root or sudo password, don't you? If you mean your the root directory should be under your user name, then that is a very bad idea. I suggest you try it on a system you don't care about to find out why!
Because I have a conscience!