Finalement j'ai acheter celle-ci: http://www.myfonts.com/fonts/flat-it/sneaker-script/

maybe go down to the cemetery sometime,

You are not the only one. Four and a half million others have the same problem.
When Segments Design (Gyom.Typo) took Harold Lohner's Oklahoma to make Bleeding Cowboys he did not pay any attention to the metrics which makes the font unusable in programs like word processors. There are various comments on this problem but he never responded nor did he make the corrections.
You need a font editor to solve this.

Sorry man, I can't remember, and I don't know if it's reliable.

And I read somewhere that says if you convert the font into curves, don't need to worry about the copyright...that's true?

"quand est non-couleur noire est vraiment sympa à faire / créer votre couleur / visuelle"