Well there are side effects to most human testing.
Although, he got all his memories back in House of M.
but he's living the wrong life.
Then he's zapped by Layla Miller and he's got his old life back, and his new life and still no amnesia.
Nothing should be a surprise to him any more.
Although he's still laconic.
Yes, I too have been avoiding Wolverine for years.
Thing, is with a classical privileged 19th century education, he's probably pretty damn qualified to be the headmaster of a school, then of course if he just taught languages he'd be fine, not that the telepaths just don't down load language packets into poeples heads making his decades of accidentally learning shit redundant.