Hi I Broke 2nd 3rd And Fourth Metatarsal Bones, I

hi I broke 2nd 3rd and fourth metatarsal bones, I went to doctor he put me in a cast that is hard in the bottom and the back of the foot and wrapped around with an ace bandage, he told me I just have to wear that for five days and after that he would put me into a boot, my question is will I be able to wear the boot without any crutches, and is 5 days enough for the cast