Thank you very much for your kindness.Oh I've missed the third requirement - to demonstrate your contribution to the field in Canada.
Don't forget to read your convocation letter and follow the instructions.
By the way, we've seen visa officers of different styles here, some are more relaxed while some are not.
Try to think that he/she is there to help you get your application approved, but YOU are the ONLY one responsible for 'feeding' him/her with whatever proofs/ information he/she needs.
Know yourself, your family and your business plan well, and be sure that you are able to express everything verbally.