Sad day

Today was my co-workers last day at work.
I have always been kind of a loner and have had a hard time in general to make friends both in my free time and in the various places I've worked with the exception of a few.
But I finally had someone to talk to in this work place and someone who would sit at the same table as me every coffee and lunch break.
We had common interests like games, but sometimes we could really talk about nearly anything.
Since we often talked about dungeons and dragons I managed to get him a monsters manual book and some dices just in time for the last day.

However, the first thing he said when I arrived at work was that it's a pity that it is his last day since he considered us to be friends to some extent at this point, but that he already has too many friends he talks to online and that he hope I don't take offense of that work friends are kind of low maintenance and that's why he will just cut all ties after this day.

I did manage to keep a straight face, make a joke and say that I understand that very well.
But in truth it was a hard hit straight in the childhood for me, and I felt way too pityful and awkward at this point to get the gift from my bag.
We still had our breaks together as usual, but in the end of the day he left without saying goodbye.

I grew up being bullied a lot in schools, and went through daily violence and neglect from those closets to me back in home that raised me to feel like a inconvenience and to struggle with PTSD most my life.
Most this work shift went to trying to fight back tragic memories from the past and surpress how I felt for believing that I had gained a rare friend.
Today I cried.