I don't go around wondering. As a matter of fact, I view the world from the outside looking in. I am a part of it, but know most I don't get along with. It always surprises me when I click with someone. Sure enough, there tends to come that moment where I just know the other person is rh negative like me.
See also:
yes i can tell if sum1 is not, but not necessarily if they are. but I have very few friends anyway due to the complexities of these attributes
im so confused why there is ALWAYS an unnecessary S added to the end of that phrase everywhere I have ran across it today. must be some kind of inside joke that im not clued into yet ...recognise each otherS ???