boyfriend takes initiative
boyfriend – Knight of Cups
takes initiative – Magician

a friend does a favor
a friend – Knight of Cups*
does – Magician
a favor – Knight of Cups*
*(Using two meanings of the same card in one sentence.)

warmhearted lover who takes initiative to
warmhearted lover – Knight of Cups
who takes initiative to* – Magician
*(Actually, both these cards take initiative.)

warmhearted lover who makes the first move
warmhearted lover – Knight of Cups
who makes the first move – Magician