What is meant by the bliss point in culinary summary

The bliss point is the amount of an ingredient such as salt, sugar or fat which optimizes deliciousness.

The bliss point is the amount of an ingredient such as salt, sugar or fat which optimizes deliciousness (in the formulation of food products).

(a) is not correct because one does not get increased cholesterol  from lifting weights.(b) is not correct because lifting weights cannot reduce the risk of a hereditary disease.(c) is not correct because back pain isn't a benefit! and plus, if he lifts weights properly, he should not have back pain.(d) is the correct answer because his ligaments will gain mass, making it easier for him to carry heavier weights and he will also be stronger!