A thought for the future; not knowing is a wiser way to live in a lot of ways.
Those who say, do not know; those who know, do not say. ~ Lao Tzu
And don't be overwhelmed by those darn animal product use diagrams making the rounds, you know the ones I mean, they are very "popular" amongst poverty of ambition advocates as another excuse for despairing! Let them spur you on to be even more active and even more determined.