Right I understood your point and could be very valid. But for 90% owning, I have my doubts. Anyway what I felt was later when his dad would have seen his son's

Right I understood your point and could be very valid. But for 90% owning, I have my doubts. Anyway what I felt was later when his dad would have seen his son's business blooming he should have done something about it. Asked him to buy back early or at least let him know that for all his work he owns just 10% and it just the first investment.