An important issue about solving problems it its opposite. It is important to know when not to solve those problems.

When you feel overwhelmed - your plate is too full - you may want to postpone making any important decisions. You have more of a chance of making a wrong decisions at that time. Wrong decisions are discouraging, and they may give you the feeling that you aren't good at solving problems.

This could have been avoided by postponing the decision.

No, this should not be used as a general excuse for postponing important issues that should be solved today. You should know when your plate is really full and when you just don't feel like making that important decision.