Do me (and yourselves) a favor this weekend: Read the post called Let Me Walk You Through a RAP Problem carefully 4 or 5 times. That is my best shot at helping you achieve a lucid understanding of the basics of the Rule Against Perpetuities. If you work hard walking with me through RAP 4 or 5 times, I believe you will come away with a good basic understanding of how the Rule works.
--Casebook p. 355-361; 366-370
--Casebook p. 371-379; 385-405
If we get this far:
-- Casebook P. 412-420