Are you constantly getting asked to do things for people?
Rather than accepting or rejecting the mission immediately, my tip would be to take a little time to think it over. If they are after an immediate answer, tell them you will get back to them in 5 minutes. Then run through these three things:
1) Do I have TIME for it?
2) Do I feel OK about doing it?
3) Will it be EASY for me to carry out?
Time. OK. Easy. As an acronym they make the word TOE!
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