Was his reaction justified?

[rox5]

I had the briefest of conversations with my DP of 3.5 years last night:

Him: you seem quiet, is everything ok?
Me: I guess, I just wanted to ask if are you messaging another woman?
Him: no I'm not
Me: ok then

He then ignored me for the rest of the evening, and also this morning before he left to go home.

Now I did get the wrong end of the stick and I know he's not messaging anyone else, I just needed to hear him say it. However, I'm thoroughly confused as to why he is not talking to me any longer?!

@AramintaLee

Imagine if the shoe was on the other foot and he out of the blue accused you. I'm sure you would also be hurt and confused. The silent treatment isn't the most constructive response but perhaps he just needs a bit of time.

But she didn't accuse, she asked him.