Describe what endurance training is and explain in detail the four components of endurance training.

Explanation:

Endurance Training increases the ability to sustain high quality athletic ability over time. The four components of endurance training are aerobic endurance, anaerobic endurance, speed endurance, and strength endurance. They all help increase your ability to sustain high quality athletic ability over long periods of time. and The four components of endurance training are aerobic endurance, anaerobic endurance, speed endurance, and strength endurance.

i can't answer your question in very sad situation.

but if your situation is very bad, then you can find happiness by thinking about your past that has full of happiness.

or you should do meditation for some time to get rid off from that bad situation.

all the above is what i would say