Answer:
Knee pain is one of the common. Patella tendinitis is the one that is commonly seen.
Explanation:
Maybe because they're in love with the person and believed that it won't happen again.
Hamburger becuase you cook it on a grill and then you put it in a bun. You can add pickels, cheese, mayo, ketchup, and pretty much anything to it.
i hope im right