Are you an ''information'' type person? Are you skilled with your hands? Do you have an eye for detail?...among other questions.
Also: Do you have another bathroom that can be used while you are ''involving'' the one you wrote in about?
There are some people that are "naturals" when it comes to "Doing it Yourself".
Then,...there are some that just should not even "looK" at a tool....
We can be your "cheerleading group"....but, you still should be honest with yourself, about your abilities ....and .....what your wife has told you.... ("Honey, you should hire somebody to do that....." OR .... "Why don't you just tackle it yourself?")