It is as absurd to say that a man can't love one woman all the time as it is to say that a violinist needs several violins to play the same piece of music.
I've never been in a place where winning has hurt the ability to do anything.
It is almost possible to predict one or two days in advance, within a rather broad range of probability, what the weather is going to be; it is even thought that it will not be impossible to publish daily forecasts, which would be very useful to soci.