Vague answers often create more pressure than a clear no.
Vague answers often create more pressure than a clear no. “Maybe later” can invite repeated requests, while “I cannot take this on this week” gives both people something honest to work with. Clarity is not cruelty. You can be warm, grateful, and respectful without leaving a door open that you do not intend to walk through. When your answer is clear, your energy does not have to keep defending a decision you already made.