Did Frigga Teach Loki Magic?

She admits to Thor that she taught Loki her magic because Thor and Odin cast big shadows over the younger prince, and she wanted him to have “some sun of his own.” So basically, she taught Loki magic so he would feel special. And she still doesn't regret having done so.

Did Loki learn magic from Frigga?

How did Loki become such an expert in magic? A deleted scene in Thor: The Dark World confirms it was his adopted mother, Frigga (Rene Russo), who taught him this ability.

Did Loki care about Frigga?

Frigga treated Loki with calm attention, wisdom, honesty, and love. Loki's and Frigga's interactions proved she was the only one he truly cared for. In Thor: The Dark World (2013), Frigga used her influence to make Loki comfortable while Thor and Odin failed to share her concern about his prison conditions.