The problem that most bothers you, which may also be what others are dealing with and which when found a solution makes life better for you and those people, is the problem that could lead you to your greatest contribution to Life yet and would have you become the best version of you yet.
The contribution is, and your life-saving solution is, when you have arrived at tge solution to your problem in life which when applied has you no longer have that problem. Sharing that solution is the contribution.The