When r’ boruch kaplan zatza”l asked the brisker rav if he can travel to america, the rav, who generally advised people not to travle to america told him “mit zi kents du forren” – i.e/ it being that he was married to rebbetzin Kaplan he had no need to worry about becoming otd.
Twenty years r’ boruch visited the brisker rov in e”y. When the brisker saw him he said you should know i have been worrying about you for twenty years – whether i gave you the right advice. now that i see you have remained a frum yid i can relax.
His son R’ nechemyia eventually learnt in brisk in e”y and married a grand daughter of the brisker rov/