(informal) to have one's wits about one, to have all one's marbles, to be all there

comfortable in one's own skin, comfortable with who one is, feeling good about oneself, well-adjusted, together

to eat one's fill, to get one's fill, to eat as much as one wants, to have enough to eat

to not have had enough to eat, to be unsatiated / to be left hungry for more, to be left wanting more, to be left unsatisfied; to be somewhat underwhelmed, to be a bit disappointed

(figuratively, informal) to laugh in one's sleeve, to chuckle to oneself

(transitive with de) (informal) to be fed up (with), have had it

in all one's glory, in all one's splendour

(transitive with de) (informal) to be fed up (with), have had enough (of), have had it

not comfortable in one's own skin, not comfortable with who one is, feeling ill at ease with oneself

(figuratively) to be riding for a fall, to be heading for disaster, to be on the road to ruin