Welcome to the forum.
I assume you've read through some of the posts.
Ill let one of the vetarans welcome you with the links.
Im also new here.
First id like to say that from what I know about the disease its not so clear that its self caused,in fact a lot of people who have it also have issues with other joints and tissue.
You probably will not have an issue if you don have one now and there are ways to slow it down even if there's not a cure.yet.and there probably will be a cure soon.
I don't want to take away your impetus to do teshuvah,but just like jester said
Here are some things I've learned in the short time I've been here.
If you have been acting out and have been trying to stop your probably addicted and therfore sick,you are not a bad person.
a lot of people have had this yetzer harah from before they were even 10 years old.
according to some rishonim its very possible that you have not even had bechirah till now. They hold that your nisayon starts now to see if you will pull yourself out.
You probably do know and appreciate the severity of nedarim because you feel so badly about it.
please read through the forum on the proper way to make nedarim.
nedarim is a wonderful tool only when used correctly.
the yh also knows how to use nedarim.
im sure he already showed you how.
And just to show you how awesome gye is im going to tell you that almost all people in this forum including myself have had" kishui" in their pants
Later