Superromanticisms are the things that people do or say that are very, very loving and sweet.
Superromanticisms are usually seen as very nice and make people feel happy and loved.
Examples:
He always does little superromanticisms for his wife, like bringing her flowers.
She wrote a poem full of superromanticisms for her boyfriend.
The superromanticisms in the movie made her cry happy tears.
Their anniversary dinner was full of superromanticisms.
He planned a whole day of superromanticisms for their anniversary.
The book is full of superromanticisms that make you feel warm inside.