My sex drive has changed 180˚ over the years.
Its because I had relearn what worked, when I was even turned on.
How long post are you? For me there was a time, around 6 months to a year where I had next to no sex drive, it was more he's cute I wanna swing hands with him, after a while that was "I wanna swing hands with him, after I &&&&..........
It comes back, just takes a lot of learning to what works and any number of factors can make it go away.
My best friend was saying to me today that for the first time since she started to masturbate she hasn't felt like theres a need for sex in 2 months, she's working hard saving for her wedding & honeymoon, she's stressing out because 3 people in her department have quit in the past month and she's behind on rent.