Going through emotional destabilization is something that can happen to anybody at any moment so it's completely understandable that, you may have a really hard time, to the point of almost falling into despair due to the doubts and to think you're some kind of soulless sociopath, but that's just your mind playing tricks on you.
Love is able to make you shift like a switch in an instant from feeling like on top of the world to think love simply isn't an option for you, and that are precisely the kind of thoughts against which you got to fight.
If you want to cry, cry, if you need to apologize, apologize, because about the thing of having a shoulder to rely on, don't worry because it's quite covered by this side, at least, by mine.
And if you want me to be really honest about your "being broken" statement Marcus, for being worrying for them like you are right now and having realized of you having that issue... that doesn't sound to me like being pretty much broken, just saying