You bought 10 year term life insurance, you did not understand t

Term life insurance use very low price for first 10 years because you won't dead in 10 year 97.5%.

Usually, age 40 and younger < $21. Insurance staticstics show very low rasic. However, When you are getting old the same coverage will be high 10 to 30 times besed on you age.  Usually you should buy 30 years term (till age 80).

For all term life insurance, you don't pay monthly premium, you are not covered.  No need form to sign. 

Contact your state attorny general or state insurance administration.  All insurance issues can be result.