[Prime Time]

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All right, let's keep going:

So I put him on AK and checked.

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I think this is a mistake.
You hit your hand, and now you put him on AK?
Why not fold pre-flop if you put him on AK. Not after you committed 1/3 of your stack.
I think you need to lead the flop, w/ half your stack now, commit to the pot, and hope that you can get chips off Donk. If you are beat by LP, that’s, how it goes.