Marilyn - have you sat down and considered the evidence these things will happen. Write out a list. But then, write out a list of evidence these things aren't likely. The second list is likely to be longer.
Here's a worksheet:
https://www.google.ca/url?sa=t&sourc...6EPlci75bs18Dw
and here's another worksheet on catastrophic thinking:
https://www.google.ca/url?sa=t&sourc...0xRixFeWNRfmsg