What were Charles Leclerc's "other opportunities" before signing new Ferrari deal?

Every time Ferrari and Charles Leclerc agree to extend their relationship, the news comes against a background of allusions to other suitors Charles has spurned to remain with his true love. "For that, I'm also lucky to be in the position where I've got my manager," he said on a recent episode of F1's Beyond the Grid podcast when asked how seriously he had considered a life away