Simply saying "I don't have enough energy to do that" sounds like something a lazy person would say, so it's very easy for people to assume that a part of the problem is lazyness, what alternatives to that phrase have you successfully used to avoid sounding lazy?
On that note, what alternative to "I can't do that becouse I need to save energy for more important staff" have you successfully used to avoid sounding lazy?
On that note, what alternative to "I can't do that becouse I need to save energy for more important staff" have you successfully used to avoid sounding lazy?