Weird or overthinking

Me and my DH have been together for a couple of years now. He had his own cable account with Time Warner for his household. About 6 months into us dating he decided to cut the cable and cut the cost of spending. Since then we have not had cable. Today he was talking about possibly looking into reopening a cable account if the price was right.

We then left that topic and he went outside. While he was outside I went to plug in his ipad and he had a notification from TWC stating he had a bill due soon... WTH

I was so confused!

So when he came back into the house I just so happened to be looking into cable and prices. I told him about some and then I asked “when you disconnected the cable did you have to pay anything off?” He then replies “no I just gave the box back”. I said oh okay.....

I then asked “you didnt have to pay anything off at all?” He then says nope nothing... and instantly his face looked crazy like he knew that I was asking questions for more than “just checking purposes”

We had gone back and forth about his ex. She would call him, FT & he would say things like shes crazy... now seeing he has a bill due for cable, he has not had active in well over a year.. could I be overreacting that he is paying her cable bill? Hence why he cut his off? His financial situation was never terrible but this is the oddest things ever.

I want to give the benefit of the doubt... crap ☹️

Also I will be asking him about this when I sit down later but I just would like your perspectives in the event that I sound silly...