The Spaniard was questioned on Villa's stance towards Grealish and agrees with the fact that Garde has opted to punish him but insists it will be a good lesson for the 20-year-old.
"When he is playing it is a very difficult team," said Flores. "But I understand the decision of the coach or the clubs when something strange [happens] out of the profession.
"The behaviour of the player is not the best. Sometimes younger players need to make mistakes and learn."