I't depends, if you want to recreate a good relation with this colleague, it's a good chance for you.
but if you don't think he or she as a friend. I think , not join it is a good choice.
I't depends, if you want to recreate a good relation with this colleague, it's a good chance for you.
but if you don't think he or she as a friend. I think , not join it is a good choice.