Give them a VERY short letter that states you resign as an edler effective immediately. Sign and date it and keep a copy forever. Give no reasons or discussion in the letter. They will ask you why. Tell them you have some serious private personal responsibilities, and you need to devote time to it for a year or two.
Keep going to meetings and field service ... for a while ... then gradually fade back VERY slowly ... NEVER talk to anyone about your doubts and concerns .... never reveal your real feelings ... trust no one ... then one day in about 3 years you can be forgotten about ... this works well if you move about 500 miles or more ... and never request your Publisher Records, never tell any JW you are moving ... and most of all, NEVER visit the new congregation. In time, you will be as though you were never a JW.
That's it in a nutshell. Enjoy. However, Murphey's Law says that the harder you try to fade out slowly and carefully, will mean that you will get caught and treated in the worst possible way, in the worst possible time, and the consequences will be most painful. - Jim W.