Life Transference spell, if the caster only has 1 HP can he…

Life Transference spell, if the caster only has 1 HP can he grant more than 2 HP to the target of the spell?

For the purpose of the spell Life Transference, if the caster only has 1 HP can he grant more than 2 HP to the target of the spell?No. — Jeremy Crawford (@JeremyECrawford) November 14, 2017