 [ Symptoms ] can bipolar affect decision making [ Disease ] of course it can especially when you are going through a manic episode when you are it is best to try and take it easy for a few days and not do anything that involves decision making i am bipolar 1 i have learned to live with it and i am doing just fine do your research and get a good understanding about this behavior disorder it is best when you know what you have so that you can deal with it on your own and live a normal fulfilling life