Sam and her dad were very close to each other as family he would train her for baseball and do fun things. Just like the day when her father would get ice cream and he met her step mother he felt it was love at first sight.
The relationship between Sam and her mother is a toxic one . Her step mother is so opposed with making her a failer in life it's sad. As an example she tries to make it look like she was rejected from Princeton.
Sam had a very complicated relationship with Austin in fact they didn't even know each other it was a online conversation. They both were in situation including family wise and education they both wanted to go to Princeton.