Cramping in your feet (or muscles) could be caused by tension or
a) not enough sleep
b) too much vitamin d
c) dehydration
d) stress

Which should you do if you decide that the stresses and problems in your life are too much to manage? forget about the stress and hope it will eventually go away. find someone to talk to. try taking a depressant like heroin to you relax. take a hallucinogen, like pcp, to take your mind off things.