Lack of Consideration. 1  Past consideration is not valid. Something that is already done is done, and it does not change the legal position of the promisor. 2  Preexisting duty does not count as consideration. 3  An illusory promise, or one which the promisor actually has no obligation to keep, does not count as consideration. The promise must be real and unconditional. This doctrine rarely invalidates contracts; it is a fundamental doctrine in contract law that courts should try to enforce contracts whenever possible.
In parts of the world with more conservative social traditions, the average would be considerably higher. i had mine when I was 13 but idk if thats the average age. I would the average age would be from 12 to 15. I had mine when 13, so I would say that is around the average age, but that is just speculation.
The average age of first birth for this group is lower than the average marriage age. For women who dropped out of high school, the average age of first birth is 20, while the average marriage age is 25; 83 percent of first births in this demographic are to unmarried mothers.or women who graduated from high school and went to some college, the average age for first birth is 24 and the average marriage age is 27; 58 percent of first births are to unwed mothers.