Okay, so you discard the

, get lucky and get back to tenpai by drawing another bam. Now you discard the other

. Assuming you're still in the game,
now what. you have nothing safe left to discard except the tiles you draw, which is the same as calling riichi. (but without the benefits)
Are you going to discard both of the

and go for a full flush. Not gonna happen.
Are you saying that you made a decision originally that you were not going to try to win, but to just not lose by getting "ronned" (and keep your lead)?
Seems like such a waste of a good hand.