Getting through a fear of success means breaking everything down into love.
Love is the single indivisible thing that we as a species have, and so, once the love is found in something, that is the size of it.
Take a step? Do it out of love. Figure out what the love in something is, and that is the core from which to start.
Lots of things get dressed up as something other than love, but eventually, and the process of getting down to the necessary depth may be brutal, but somewhere in there is some kernel, some iota, of love through which to change the world.
Figure out what you love about something, then figure out how to act on that love, and go from there.