You may want to indicate that in the writing. You're making them look the same, and I had to reread several times to try and distinguish the two. Either losing the quotation marks for thoughts or italicizing, or even using dashes to visually separate thinking from speech would save a great deal of confusion and time.
Haha. I sound like one of my old professors... I guess I did learn something.
Haha. I sound like one of my old professors... I guess I did learn something.