A significant other is something you love and become one with... A best friend is your other half and someone who you can always tell secrets too and they will always understand you... Best friend (in my opinion) Btw...plot twist! What if your best friend is your significant other? X3
Unless your significant other is like a best fwend as well in which case
BAM!
Usually friends
But if your significant other is your friend too (like mine ^.^), it's a big bonus XD
A best friend is your other half and someone who you can always tell secrets too and they will always understand you...
Best friend (in my opinion)
Btw...plot twist! What if your best friend is your significant other? X3