one day, silco got pregnant, and aborted before telling it to vander, they had a violent argument when vander found out, they didnt speak to each other for a week, until vander came back to him in tears, apologizing
I feel that bookstreet interactions are equivalent to viktor and Jinx's but in the opposite way. Like when jayce and vi are together, their smart cancels out, but when viktor and jinx interact, their sass multiplies. They aren't like siblings or parental but instead cousincore