A Workhorse

What is workhorse? According to the explanatory dictionary there are two common definitions for this word or creature, what ever you like. So, according to one definition a workhorse is a horse used for nonrecreational activities. And according to the second definition a workhorse is a person who does a greatest amount of job.
See, in case you are the one who can't say "NO" to people who misuse your help you are the one we can call a workhorse. You are not a person but you are a workhorse and what worse is, is that you are a workhorse for other people but not for you. You have no profits of your activity you only do job for different people and you are like a workhorse of their life.
Stop being a workhorse for people, turn into a person back and feel the taste of this life. Don't be a workhorse; there is no need for you to be like that. It is okay to be a workhorse in case you do something that will provide you with a number of merits of your activities, though it is stupid to be a workhorse for those people who enjoy their lives while you are doing their job.
A workhorse is a creature of no value indeed. It is a horse people need when there is some hard task to be done and when there is no job to be done a person forgets about a workhorse and they enjoy their lives while a workhorse chews it grass or something in the stable.