You have to listen to the people who have a negative opinion as well as those who have positive opinion. Just to make sure that you are blending all these opinions in your mind before a decision is made.
I have such happy memories of performing in a choir and I don't think I'd have got where I am today without all that experience. So my advice to young singers is to either join your school or church's choir or find one in your local area. Choral music at any level teaches you so much about musicianship and blending your voice.
Patience that blending of moral courage with physical timidity.
It is conventional to call 'monster' any blending of dissonant elements. I call 'monster' every original inexhaustible beauty.