You work in a Big 4? There are probably other opportunities elsewhere in your current company, and it might be much easier to move within than out. You should

You work in a Big 4? There are probably other opportunities elsewhere in your current company, and it might be much easier to move within than out. You should talk to a mental health professional. "I used to be ... Now I'm ..." means something's changed, and it's not likely that you aren't smart anymore. You might also talk to that same professional about how to ask your wife for support.