Love and tolerate. Three simple words, but somehow not all ponies follow them. When you're too different from the others, thing tend to turn out ugly.
Goldengrape is in love, but not in just any pony, oh no, he is in love with the most beautiful, cool and awesome pony in all of Ponyville: Noteworthy.
A stallion? Something must be wrong here, that kind of love doesn't exist, does it?
It does, but if it's approved of, that is a completely different matter...