Never so tired you cant do the next session easily
Fundamental contradiction to the basic theory of overcompensation and so needlessly limiting.
I no longer have a coach but having done 4 coached years I know what works for me. The down side of remote coaching to a pre agreed plan is reduced flexibility.
I’m supposed to be doing a midweek race or intervals. I’m carrying a slight hamstring strain – i have notjing written down (other than block dates) so its easier to just do 3 weeks of less intense distance.
Adaptation is achieved by training load and hence tiredness is a byproduct. Only the individual knows hoe much is beneficial