Why doesn't fanny approve of lenina's interest in bernard marx? what is the rumor about bernard?

Question 1: fanny does not approve the interest of lenina to bernard marx because fanny thinks bernard is short and ugly and just strangely roaming all around.question 2: the rumor about bernard marx is that a certain person made a mistake when bernard was in the bottle and, thinking bernard was a gamma, that someone put alcohol into bernard's blood surrogate and that was the reason why bernard is short. 

S^2 = a4^2 = a4 * 4 = a16 centimeters = area of the square