While I would say that your treatment of the subject is simplistic or incomplete (life is like a balance beam---with a whole bunch of people trying to knock you off, "Takeshi's Castle"/"MXC"-style), I'm not going to hold it against your poem or anything. Your treatment of the subject is what it is, and I don't want to judge that so much.

I would describe your poem as "solid". Nothing stands out to me as exceptionally good---but nothing stands out to me as exceptionally bad either. If I were to take over the writing of the poem at this point, I might invest in some jargon from gymnastics to spice up the imagery. Or something. I don't know. My critique and advice; your poem. :)