Feel so let down lost and confused

So I went to the doctor today to have another ultra sound since mine 2 weeks ago only showed a empty gestational sac and showed the same thing today my hcg levels are atill increasing like they should but nothing is happening I go Tuesday to have a dnc and my now ex boyfriend whom was there for me in June when I loat my son at 19 weeks pregnant and had to deliver him (witch the child was not his) but this was his and he was really helpful during the appointment and supportive but as soon as we got home his attitude changed and he called me a baby killing b!t*h and now he doesn't understand why I told him to go to hell and to leave me alone he thinks just because he said he was sorry I should just forget and forgive am I being stupid and childish or did I make the rite choice by letting him go