Keep up that attitude and you'll not have a problem Blues
Happy studying! Go for it and follow your dream!
The interview will be fine I'm sure - got any friends who'd put you through your paces at home while you're recovering? Helps to practice the whole interview procedure - especially at higher levels.
Shame my Dad's not mobile - he used to train people up for interviews/assessments over a certain level with the MoD on 3-day residential courses.