if someone finds out I have an Asian grandparent people freak out, treat me differently, be racist, just a bunch of shit .

I second this as I have experienced exactly the same. Looks are a big factor in this case, genetics are weird and many quapa/mixed families end up with a very diverse range of looks, as it is in my family. I've had people who i've known for time treat me completely different and racistly after they find out i'm mixed or see my parents, one particular shitty reddit encounter, hence I feel the need to point it out. For some of us, our hapa parent was brought up in and is more attached to their 'Asian' side and because of this, identity issues lead on into family life, we all hold very individual experiences, they're forgetting that there is a whole load of variety, not every Eurasian - just because they married another white person - or Blasian, Chindian etc is neglecting their Asianness just because they married into their other ethnic half. A lot of the time your 3/4 side doesn't even regard you full, so wtf are you if you're not mixed? lmao