Absolutely.
Spot on with the Life insurance policy. If you're owed alimony, figure out what the amount is / duration and have him get a life insurance policy to cover that amount that he can then drop when alimony ceases.

M 20+ T25+
S ~15.5 (BD)
BD 4/6/15
D 12/23/16

"Someone I loved once gave me
A box full of darkness.
It took me years to understand,
That this too, was a gift."
~ Mary Oliver