Having boundaries helps you: 1.) Get a good initial intake interview with your client
2.) Make rigid boundaries
3.) Prevent the asking of inappropriate questions
4.) To build a trusting relationship

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

starvation is bad because your body needs nutrition and to deprive it of nutrition can cause problems with both health and fitness.

explanation:

it can make weight loss slow down over time, but it won't cause someone to gain weight depsite restricting calories. starvation causes weakness in the senses like thirst.