Addicted to lesbian porn?!

I’m 35 weeks and my partner and I would have sex 1-4 times a week, but for the last month I’ve completely lost my libido and I’m just not interested, my partner is fine with this and says he understands, I do give him oral now and again but I’m just not interested in him pleasuring me.

I’ve never had an interest in the same sex, and I’ve never really watched porn, but when my husband is out the house I will masturbate to lesbian porn! I do this daily for about an hour. I haven’t told him this as I don’t want him to get offended because we aren’t having sex, but I just wondered if this was normal? He has told me he never really masturbated before these 5 weeks, and he does masturbate now and again and “uses his imagination” whilst he’s in the shower and I’m fine with this, I just feel selfish that I can’t give him what he wants because I’m not interested

Sometimes I get excited when I know he’s out the house so I can do this and I feel guilty but I can’t help it! Has anyone else felt this way? Although I’m enjoying this new found pleasure, I’m hoping my libido comes back once baby is here so me and my partner can get our proper fix, and I will tell him eventually about me masturbating because he’s been 100% honest with me