In 2008 my dad got diagnosed with a brain tumour. We were told it was stage 4 going into 5. However after surgery and radiotherapy he pulled through. There has always been a small amount of tumour left but it is monitored for growth. 
We knew there would be some changes physically and mentally for him. He was medically retired from police force and Air Traffic control which took a toll on his mental health.

over the years his body has aged quickly due to the treatments. He’s only 65 But I find it hard to motivate him to get up everyday. His life for years has become watch tv and go to bed. He has falls and Stumbles often and been in hospital with multiple broken bones. The treatment left him with soft bones and osteoporosis. It’s left him where he can only walk room to room. I’d love to get him active and walking but I’ve tried so much and it doesn’t work. Im getting married next year so trying to motivate him with that but atm not working. He’s lost a lot of his life but he’s here today I just don’t know how to get him to see that and start walking. I’ve taken over most of his paperwork now and keep on top of everything in his life but I struggle trying to run my own home and job. Can anyone suggest anything I can do to get him moving. I’ve tried a sit down bike, charts, rewards, days out. I’ve stopped him driving as I think it’s a danger he can’t use his legs well. When he got diagnosed I was 16 and since then looked after him. But as years are going by I’m increasing more tired and stressed :(