he estrechado
-I have narrowed
Antepresente para el sujeto yo del verbo estrechar.

estrechar

De paso, su obsesión me ha obligado a mí a aprender de fútbol, gracias a lo cual también he estrechado relaciones personales.
Incidentally, his obsession has forced me to learn more about soccer, thanks to which, my personal relationships have also become closer.
Sí, creo que he estrechado su tipo de personalidad.
Yeah, I think I've narrowed down his personality type.
Yo también le he estrechado la mano.
I also shook his hand.
Palabra del día
la guirnalda