I need healthy advice cause all I see is red right now.

Ladies what would you do if you saw this is your man’s phone…. This is my boyfriends message that he sent to some girl he was talking to before my time… from the looks of it he wants her back… I know I shouldn’t go thru his phone but he has been acting kind of weird so I decided to see why.. how do I go about it? I don’t want to be toxic so I’m need advice on how I address this with him… ( he and I have a kid together and live together) so I’m at a loss for words right now….(this is obviously not the full message as the rest would give out their identity) WHAT I WANT TO KNOW IS WNY IS HE TALKING LIKE HE DOESNT HAVE A FAMILY AT HOME?!

EDIT: THIS MESSAGE IS NEW IT WAS SENT 6 DAYS AGO

Not to mention this female lives in a whole different state than we do