Should Boys and Girls Turn to Friends for Dating Advice? Is it Helpful or Harmful?

Should a boy consult with his friends, like his roommate or chavrusa, if they think he should date a given girl?
Is there a problem discussing the attractiveness of a potential Shidduch with friends?
Have promising Shidduchim been ruined by what friends have said?
Should parents be involved in the Shidduch process? And, what if the child does not want his/her parents involved?

The Semichas Chaver Shavuos program with Rabbi Elyada Goldvicht https://bit.ly/SCPchallenge