Sleep. It won't actually help the hair grow faster, you're stuck with that. But it will help pass the time.
Apply Mustard oil.
No
You can't really speed it up but it is said shaving thickens it if you mean facial
no it dosent
Shaving does not "make your hair grow back thicker".
No.
There is no evidence that vinegar will make the hair grow back more slowly if applied after shaving. However, vinegar can be used to make a homemade waxing agent.
Make facial hair grow longer!
No. Cutting hair will not help it grow, nor will shaving make hair grow in thicker. Hair grows at varying rates depending on changes in internal body chemistry.
no excessive combing will break your hair making it harder to grow
you can't....
No. Because if you have nothing to shave you wont grow nothing. But if you have little "whiskers" just chill a while and then work your way to start shaving. its just like pulling white hair. you pull one 3 grow back. so when you shave more hair will start to hit.