It would seem appropriate to perhaps begin to think about such questions in the light of recent events, especially the Apostolic Constitution Anglicanorum coetibus.
I ought to begin by stating that my own opinion is neither fixed, nor settled, so ... watch this space... Some people are overjoyed at the thought of 'going over'. Can the work started by Newman, Keble, Pusey, Froude and countless others be said to have reached its completion?
All I can say at present is that the best thing to do is to listen to Thomas Tompkin's Sad Pavan for these distracted times which while it was written in response to the murder of Charles Stuart by a bunch of Puritans, seems strangely appropriate.
I suppose the night is darkest just before the dawn