You're not going to be different ... you're going to be the same as you've always been; with doubts, everlasting dissatisfaction with yourself, vain efforts to amend, and falls, and everlasting expectation, of a happiness which you won't get, and which isn't possible for you.
Although we deal with probabilities and expectations, the actual results can deviate substantially from such expectations, particularly on a short-term basis.
We fight for lost causes because we know that our defeat and dismay may be the preface to our successors' victory, though that victory itself will be temporary; we fight rather to keep something alive than in the expectation that anything will triumph.
There is one thing of which I can assure you. If good performance of the fund is even a minor objective, any portfolio encompassing one hundred stocks (whether the manager is handling one thousand dollars or one billion dollars) is not being operated logically. The addition of the one hundredth stock simply can't reduce the potential variance in portfolio performance sufficiently to compensate for the negative effect its inclusion has on the overall portfolio expectation.