a young marriage in trouble

[MrBond]

You will not be judged here on your age. In fact, it sounds like you've got much of it figured out as to what caused your M to fail.

First off, you need to get the DB or DR books right away. They will help you to understand many of the concepts that are discussed here.

Next, can you detail exactly what issues she had with you? What did the two of you fight about? What makes you think there's someone else?