Your VC should be a sparring partner. Mark Suster even goes as far as to say that "The role of VC is 'Chief Psychologist.'".
Having seen 20k + startups and pitches, an investor at 500startups shares patterns, and the do's and don'ts whilst emailing or pitching to investors.
One of the reasons hard raises can turn into great performers is that they are early to an opportunity others don’t see.