Welcome Indoubt,
Yikes, I could feel the stress surrounding that upcoming elders meeting. I have been exiting the Org for less than a year now and have been approached several times by elders to "talk" I talked to them a couple of years ago over about a situation that wasn't even their business (I had commited no sin) but I found out how controlling they can be. . Don't let them interrogate you. I know ones who have been up before the elders with similiar situations and the elders want to know all the details (or the ones around here did) questions such as where did you touch her? did you touch her breast or genitilia-- and then made them describe every minute detail of the encounter...It seemed perverted to me and it is dehumanizing to say the least. If you do decide to meet with them and they try to give you the third degree I would suggest you tell them that out of RESPECT to your wife and the sacredness of your relationship you are not into going into the details about such private matters. I believe in the long run she will respect you for protecting her dignity despite the consequences.