Just to add to the yuck factor, his wife worked in the same office.
Moving on past the yuck factor, you may wonder whether drinking blood might cause some indigestion.
Taylor Swift saw Selena Gomez kissing Bieber backstage at an awards show, and made a very obvious “yuck” face.
exclamation of disgust, 1966, origin perhaps echoic (cf. Newfoundland slang yuck "to vomit," 1963).
"laugh," 1938, yock, probably imitative.
An exclamation of disgust: ''Those women on the PBS specials seem to love it.'' ''Yuck,'' Connie mugged (1969+)
A disgusting substance, person, or thing; someone or something nasty: precipitation in the form of rain, snow, and assorted other atmospheric yuck/ clean all the yecch out of her system/ Mario is an intellectually dishonest person. He's just yecch (1943+)
[perhaps echoic of gagging or vomiting]