I had a 4th Engineer with a serious problem , The company arranged for the British Rail doctor in Southampton to see him whilst we were changing trains shipping home to Portsmouth from Weymouth , the doc was retired ex army , straight talking , got him admitted that day , he was off four months , when he came back out of an intake of 16 , on a one drink and you are out principle only two lasted the course , he rebuilt his life , the other checked into the first pub , you have to WANT to give up