What is the maximum amount of 10 pound cones that should be carried at one time?

The maximum amount of 10 pound cones that should be carried at one time should be tolerable by the carrying muscles and joints. What does that mean? Any load that is not tolerable by the joints and muscles can be injurious to the body. Aside from this, the form on how a load is carried should also be practiced or corrected the soonest time in order to prevent untoward incidents from happening. This is the reason why many fitness experts scrupulously look at the form of their clients because they always need to ensure their safety. 

Can you translate this

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.