 Thus Ficino came under the suspicion of heresy; especially after the publication of the third book in 1489, which contained specific instructions on healthful living.Notably, Ficino coined the term Platonic love, which first appeared in his letter to Alamanno Donati in 1476.In 1492, Ficino published "Epistulae" (Epistles), which contained Platonic love letters, written in Latin, to his academic colleague and life-long friend Giovanni Cavalcanti concerning the nature of Platonic love.