I know it wont be your priority at the moment, but it sounds like your wife is in hospital injured due to the other drivers fault.
When things have calmed down a bit, make sure she initiates an injury claim against the other driver. If you have aches & pains etc. then you do the same thing.
Seems you lost the chance of a job through this, so don't lose any sleep over taking their insurance company for every penny you can get.
^This!^
As Albs said, not only should you go after the other persons insurance for your car, but loss of earnings and injuries to you both. Especially your wife, as she's ended up in hospital through the other persons (assumed) negligence.
Did you have legal cover with your insurance?
If so use that and they will manage your claim, and will do their best to take the other persons insurance company to the cleaners. If not consider getting a solicitor or claims management company to manage the claim on a no win no fee basis.
With respect Dean I think you need professional help to guide you through this, and achieve the best outcome for you and Mrs Moggy.