he titubeado
-I have hesitated
Antepresente para el sujeto yo del verbo titubear.

titubear

Desde que tuve la revelación de lo que me había pasado, nunca he titubeado en decirle mi historia a cualquiera.
Since the time that I had the revelation as to what had happened to me, I have never hesitated to tell my story to anyone.
Palabra del día
el petardo