Sometimes when we reach a goal, there is a let down afterward, or if there is no one to share the good news with, or if we are afraid of success, or if we feel society 'forces..' us to feel a certain way, that can explain the opposite feeling you may feel......perhaps there is reason, but perhaps you are on too much medication although I am not sure just a thought...perhaps a second opinion? I felt lonely for many years until I happened upon the right kinf of friends that fit me....took many other friendships until I settled on the right one...