This just happened!!!

I just had a feeling and took a test... I’m freaking out! I am not believing it even while I’m looking at it. I am 13 DPO and the line is so DARK! Is this normal or could this mean twins?

Also as a side note, my husband and I talked last year and he told me he was 100% positive he didn’t want any more kids (We have two girls). I still wanted another baby so it absolutely crushed me. So honestly right now I am so filled with joy, but also terrified to tell him. Does anyone have any advice about this? He’s working right now and won’t be home until the morning... (16 hour shift) and I know he’ll be exhausted. I don’t know when or how to tell him.