I used to let it get to me in a really big way because I took everything so personally, as if it were a massive failure or a reflection of who I was. That was exhausting. Truth is, shit happens and people suck.
I never been in love. Even if I was in an relationship and my girlfriend decided she was done with me, I highly doubt I would be too broken up about it.
My first husband died in a car accident, I got remarried and moved to the UK (husband is British). I'll never get over my first husband though, I love him and not a day passes where I'm not upset at any point.