Warm sweet oil for an earache
Hydrogen Peroxide.
Many uses, including disinfecting and cleaning. It can prevent an ear infection and is a really good soap scrum remover. It also is one of the only things that can remove blood stains successfully.
Yeah, that's pretty overweight. How many pull-ups can you do? Can you run a 5k without stopping?
40 jumping jacks doesn't really take that much effort.