In personal finance, one makes decisions based on needs vs. wants. What is considered a need? something one would like to have
something ones does not budget for
something one can afford
something one cannot live without

The answer would be "something one cannot live without".

Explanation:

Think of water you need water to live.

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise

nothing she is in the hospital

explanation:

she is safe