After Mass I absent-mindedly had some gum. It was pretty soon after so had I any particles still in my teeth etc, it would have got in the gum. I realized this and retained the gum until I next saw a priest, who said not to worry about it and to just throw the gum away. I don’t particularly trust this priest because he’s a bit of Spirit of Vatican II times, so it’s difficult to know when he’s right and wrong.
I was reading some stuff from Redemptionis Sacramentum, which said that “one who throws away the consecrated species or takes them away or keeps them for a sacrilegious purpose incurs a latae sententiae [automatic] excommunication reserved to the Apostolic See [...] ” To be regarded as pertaining to this case is any action that is voluntarily and gravely disrespectful of the sacred species."
Please help! I’m fretting about whether I’m excommunicate or not etc.
You can stop fretting.
First, you cannot incur an excommunication if you did not commit the mortal sin associated with the act. You clearly didn’t intend anything against the Eucharist, which you clearly revere.
Also, you don’t know if you had any particles of the Host still present.
Furthermore, anything that would have been left would rapidly have been broken down and its accidents obliterated – if they weren’t already.
When you threw away the gum you did not throw away the Blessed Sacrament. You did not incur the censure. You are not excommunicated.
That said, your situation also is a good object lesson giving us yet another reason a) to remain in church for a while after Holy Mass to make a thanksgiving, even if only a brief one, and b) why people should maintain reverent and respectful silence in our churches before and after Mass so that anyone who chooses to can pray without being disturbed.
The sheer racket in churches after Mass sometimes leads me to question whether or not any of those folks have the slightest clue of what sacred means.
In any event, you don’t need to fret.