I need help...

So me and my bf have been together for 6 years and and not once have i completed in bed but he always does... and i noticed that when i want to jave sex he doesnt ... so of course i have porn on my side .. im bi so my porn history is mixed but for some reason i havent been feeling like attracted to him or anyone ive just been super depressed lately and he doesnt notice.. i just catch myself putting on a fake face. I just need yalls help with this.