My wife and I are open water trained and nitrox. We were on day 2 of our advance open water course in rocky seas and we went down for our dive. My wife freaked out first at about 10 feet down went back up. Then we both went down with our instructor. My wife has had a lot of issues when she cant see the bottom - but she got over it this time - and i went down with her too. We got to 77 feet and all the sudden I felt like I couldn't catch my breath. My regulator was in obviously - my instructor and wife were there. We were at the bottom - all we had to do was cruise along, see some cool fish and boom the dive woulda been over. I felt the need to pull my regulator out which I obviously didn't do - I surfaced and I called it quits. We were instead going to finish the course the next day but I was so mentally drained I canceled and thus far we have no dived since. It has been a couple months. We plan to do a shore dive maybe this weekend, max depth 20-25 feet - easy stuff. Any pointers - has this happened to anyone else - that panicky feeling want to pull your regulator out take a deep breath. So discouraged - I feel like I was nervous for my wife and to make sure she is OK but she was. Diving is awesome, its so freeing - I just know that I need to get along and take that deep dive again to get over this and the shore dive I do not think will do it. Im in south florida - plan to go to the keys next month - any moderate dives maybe 30-40 feet to get our feet wet again before redoing the advaned open water?