Everything about this is gross. The twenty-one year age difference between siblings. The forty-nine soon to be fifty mother. The creepy dad who just wanted to get it on. Everything.
@JonRa
To be fair she's asked him on multiple occasions to help her with math but they haven't actually gotten to studying yet. It's safe to assume from his point of view that math would be her worst subject especially since it's the one she wanted his help on so him asking (albeit bluntly)...