What is Reddit's opinion of The Janus Point: A New Theory of Time?
From 3.5 billion Reddit comments

By popularity on Reddit, this product is:

#169 in Relativity Physics books

#79 in Thermodynamics books

#85 in Physics of Time books

Time would probably heal itself from changes in the past:

So, you could probably try anything in the past and the changes would only be small or nonexistent for the present.

But no one really understands time anyway. Check out "Julian Barbour - The Janus Point - A New Theory of Time". It's very interesting.

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