Could Bast be Kvothe son! As we know Kvothe spent time in fae and felurian and we know, time moves differently in fae. As Kvothe was awy like 3 normal days they in fae it feeled like year or atlest months, so when Kvothe left from fae Felurian might been pregnant and time in there moved fifferently so it might be Bast as Kvothe so grow up quiqly and when Kvothe paths crossed again with fae he discovered him and bast decided to want to spend time with his father. What you think?