My gerbil broke its foot help! experts only.?

ive had gerbils break there foot before sambo broke his twice but sham sham twisted his around i have everything he needs and even made it so he doesnt need to walk around hes seems to be just fine (besides pain) people say "hell be fine" or "omg hes gonna die get him to a vet" my brother and mom are experts and say dont wory gerbils heal veryy fast. and i know they do but sham sham is my baby boi and its 6:40pm so most vets are closed till tomarrow i might stay home from school tomaroow just for him. but is there anything else i can do?