wei xiaobao never learned from mao shiba, mao shiba want him to be his disciple, but WXB refused.
end of story, wxb age is not 30s, but 10s (about 19 or max. 20 years).
he also learned a little bit MA from one of his wife, Su Quan,who was ex-wife of leader Hong and 1 kind of poison from He tieshou and many grappling moves from Kangxi.
back to topic, if he is hardworking, and determine to martial arts, he should be strongest character only below Jiunan, Chen Jiannan, and leader Hong. he is intelligent when learning martial arts he likes (Shen Xing Bai Bian's Jiunan)