Real life tension can even affect mental and general health of the individual how wouldn't affect sex life?
Maybe I'm a bit Apsergersy, but I don't really comprehend how it can without actively letting it...I mean I can understand if one's mindset had changed to not value sexual intimacy and fulfillment, but that seems too consequential an assertion to make. Maybe I liken it to food wherein, sure, outside tensions may make it so I don't fully enjoy the intricacies of each delicacy offered, but to simply starve oneself or others as a result would be nonsensical and non-productive.
I also wonder how such an lax attitude towards maintaining a semblance of partnered sexual obligation would apply to other areas of intimate intercourse, like say telling people's whose bodies have changed naturally with time, they should be enthusiastic to do a song and dance number to get the erection that once was by default, or maybe, sing me a song or a poem to warm me up to the idea of you discussing your day with me...
Honestly deep down I feel like if I have to convince/remind your body that sex with me is something you desire, I'd much rather you make way for someone who's sold on the idea upfront, like myself.