…supposedly can’t be held against you, right [1]? It wouldn’t really be a ‘right’ if jurors were allowed to hold it against you. 

Houston criminal defense lawyer Mark Bennett points out though that the instruction read to the jury [2] in the charge in Texas is:

You are instructed that our law provides that the failure of the defendant to testify shall not be taken as a circumstance against him, and during your deliberations you must not...