Why do you say that?
Because that is what countless examples on this forum have proven.
You don't know how to grow a juniper and that they must be outdoors. You pruned it, without knowing what you were doing. You already want to wire it.
It 'll be dead in a few months. It'll be dead even sooner if you also plan on repotting it.
Learn patience. Learn about growing junipers. Understand why trees do not do well indoors. Learn these basics, then start learning about bonsai. Join a club, get advise from experienced members. Get proper material to work with. Be patient.