So we know EXACTLY how long we need to wait.
e.g. wait 2 hours -> ok head out for 1.5 hrs and come back
is fine, but now you don't know when you can do it..
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So we know EXACTLY how long we need to wait.
e.g. wait 2 hours -> ok head out for 1.5 hrs and come back
is fine, but now you don't know when you can do it..