Definitely a good idea.
No clue what my needs and values are though right now. I'm hardly fulfilling the basic needs, talking lowest level of Maslow's Hierarchy. Every time someone asks me my values and I don't have someone to give me a good guidance on that I just kinda say "uhhhh..." and try and remember a list of values I once saw and pick out whatever sounds good at the time, and it's never the same thing twice.