Curious

The ML seems to really love the FL, but I can’t understand how he let his father force him to abandon the FL despite his father’s wishes. Knowing how insecure she felt about their differences in socioeconomic standing and leaving her on her own after he promised to be totally different. FL lead was a bit prideful to a fault, then she starts to be a little vengeful. At this point theirs been no explanation for his behavior back then, kind of sad and cowardly for someone who claims to love you, but left you