Ex 2 b lying to get injunction why?

i am 24 year old married in 2005 me and my ex 2b split up in 2006 and since then she got me arrested for domestic violence but i was released without a charge. about a year ago she has been trying to get injunction although she lives 90miles away from me the case has been running for about a year now shes living on legal aid as am defending myself without a lawyer my final hearing is in few weeks time can anyone tell me if the court can sentence me? and who pays the court costs? and will she win? what do i need to do to avoid the injunction? as nothing has happen shes making up lies to ruin my life i feel like taking my life shes killing me bit by bit its too much for me to bare thanks