Washing Dishes On A First Time Visit To In laws

This is currently hot as discussion on Twitter.....So I figured we could also discuss it here,huh? Is it right or wrong for a MALE visitor (fiancé) to take his plates to the kitchen after eating on his first visit to his girlfriend's/fiancée's house?*Nothng wrong with taking it to the Kitchen or even washing it abeg!..Please note that my mentality is different and I see nothing wrong in via IFTTT