Quick Sex

Since having my daughter my sex drive is zero, plus my partner is FIFO (fly in fly out) so we spend 6 days together, 8 days apart. When he is home we have sex maybe once, maximum twice in the 6 days we have together. He always finishes extremely quick, a few minutes at most. I've always put that down to us being apart while he's at work, which puts its at sex once a fortnight. I tease him about watching porn and masturbating all the time while he is away. He gets bashful and shy and while he doesn't deny it or actually will admit it, he doesn't like to divulge any details about when or how often.

Sooo, I started looking at his browser history to see how often he does watch porn. I know, I know but curiosity got the better of me. It turns out it's allll the damn time. As soon as I leave for work, he's on it without fail. I really hate to think he puts our 1 year old in front of the TV so he can go do his thing. While he is away for those 8 days, he is also watching porn most nights.

Now what I'm really wondering is if that's the reason he can only last a few minutes? Is that possible? I would have assumed he should have better stamina. Ugh and I've been thinking I'm the problem for having zero sex drive!