Meaning: Your friend is a fan of both of them and thinks that Sean and he have become real CP.
"bjyxszd" is actually the first letter of the Chinese character "Bojun is true", in which "Bojun" is the CP name of Sean and Yibo. The whole sentence of "bjyxszd" is generally the feeling of "Bo Jun Xiao Yi" when CP powder found the sweet and lovely interaction between Yibo and Sean Xiao, which means: "I hit the real CP" and "I got the real CP".
Extended data:
Yibo and Sean are well known by netizens because they play the male host together. The homonym of "Bo Xiao" has become a hot topic in Weibo. Shortly before coming to Weibo, their various behaviors were hotly searched, and netizens said that this was a real hammer to the CP relationship.
Although we all know that Sean and Yi Bo are both straight men in real life, for CP fans who knock their heads, even if they just look at each other in public, fans will show a very gratified aunt smile. There are even fans who are addicted to CP and give them marriage certificates.