Does waterfasting affect you sexual health?

does it affect the sexual health science we do not eat does anyone noticed dip in libido or performance. I am doing this for weight loss and mental peace, I never came across such articles yet that's why wana know I am on the day 1 of 5 days waterfast . I am very new this cause I was never consistent and that's why never got result .

I want maximize the benefits so please tell me if I can take multivitamin, salt water , black coffee daily . I am doing work from home so having very sedentary life style .