he/himself; he/itself (as the contracted form of se before a vowel or mute h)
Il s'asseyait dans son fauteuil, parlait comme elle.
He would sit in his armchair and speak like her.
— Psychose (1960)
Ça a été plus court que ce à quoi il s'attendait.
It was shorter than he expected.
He is getting used to the situation.
Il s'entend mal avec son patron.
He doesn't get along well with his boss.
J'aimerais savoir de quoi il s'agissait.
I’d like to know what it was about.