Not the sort of guy you can keep a secret from, not easily
For the record in none of his "stepping out of time" has he ever seen the future. of all the Trenchcoat Brigade only Mister E can see what has yet to occur, while the Phantom Stranger sees the now. The others always required E as a guide through the future. so he's no clairvoyant outside the adore mentioned shown danger sense.
And after all often Knowledge can be the most dangerous thing