malt you are right to be ready to panic a little bit, it may be possible and probably necessary to get a bit blasé but you are being poisoned and it does leave you vulnerable so it is important to keep an eye on temp as I have proved by experiencing the consequences of my own complacency 
really I hated the drains too, we may joke but they really are not the most attractive fashion accessory.
jchoc yeah for getting a run, take it steady but I am sure it is good to get back .
I did actually swim (though I had and still have very low WBCs, which tends to support what I think kitkat said about BCNs etc being over cautious) and go to at least one exercise class a month through chemo, even though I had a bad time in my bad weeks. I was always a bit of a gym bunny so it was part of my normal. Yoga really helped with my state of my mind and I had a real good gang in an exercise class who socialised outside the gym so I tried to make their classes at least once a month. That was the (gay) Instructor who greeted me with the words "you look like a lesbian when I first went wigless) Even If I was a bit pathetic, it was good for morale. It's not impossible and actually since exercise stimulates the immune system may actually good for you physically as well as long as you don't get overtired.
Having fun and games here, was up at dawn in case of return visit by heron to my pond to commit genocide with my fish who I have sadly got fond of, especially since they have now had babies. Never give names to animals that you can't protect from the circle of life. Yesterday goondog gave one tentative bark at it then realising it was huge with scary wings beat a hasty tactical retreat, which was enough to send it packing. Today when he is supposed to be on patrol with me he is staying in his basket......