I will begin with a word of introduction. Mathematics entered my life when I was in my 8-th year of school, and fairly quickly, through burning passion, it moved me to a possible career in the Field. There was very little question for me in that respect, and I hardly ever doubted this choice; till now, that is. I was enamoured of proof, and the intimate interplay of concept that went almost to philosophical and religious extents, but I will explore these latter no further. What is important is only this: My entire worldview has been soaked in Mathematics, and I have always felt very strongly about the endeavour.
But with my 11-th year of school (currently I am starting my second year of undergrad, majoring in Mathematics), — my last, — a very strange change started taking place. I still held fast to notions of how great and beautiful and profound Mathematics is, and that it is the greatest thing in the world in fact, but the amount of mathematical activity I was actually following through with was in steady diminishment. Along with other things, this led me to dire mental straits, and only recently have I stopped that self-destructive process. I have tried turning once again to Mathematics, but I start to find continually two things: (1) I do not remember when was any recent time I had actually been satisfied with my work and took pride in it, as I once did; (2) Mathematics has come to seem to me very matter-of-fact: we define X, we define Y, we conclude lemma W and theorem Z etc., and there is hardly any intrigue to be found in concepts even the most abstract and alien, — a kind of concept which once brought me the greatest enjoyment. I could say that Mathematics has started to „feel” frivolous and simple (though rationally I should never subscribe to this). I have tried absolutely everything to make this „indifference” of mine to Mathematics go away, and to feel the same pleasure that would prompt me to go forward, but to no avail. What I am now questioning is if Mathematics is actually not the right path for me. And this question absolutely terrifies me, for I do know that I am inclined toward Mathematics, that virtually my entire worldview is Mathematics, and, contrarily, I do not know at all where I could go if I were to quit.
If anybody has experienced anything similar, even remotely, I should be very glad if you could share your experience and/or give some advice on how to assess my situation and make the right call. Thank you!