essere in sé

== Italian == === Etymology === Literally, “to be in oneself”. === Verb === èssere in sé (first-person singular present sóno in sé, first-person singular past historic fùi in sé, past participle stàto in sé, first-person singular imperfect èro in sé, first-person singular future sarò in sé, first-person singular subjunctive sìa in sé, first-person singular imperfect subjunctive fóssi in sé, second-person singular imperative sìi in sé, auxiliary èssere) (idiomatic, intransitive) to possess and be able to control one's mental faculties; feel like oneself