second nature to

*second nature to someone

easy and natural for someone. (*Typically: be ~; become ~.) Swimming is second nature to Jane. Flying a helicopter is no problem for Bob. It's become second nature to him.
See also: nature, second
References in classic literature ?
She quite forgot the genteel reserve which had become second nature to her.
Momaya was determined to give all that Bukawai asked if she could do no better, but haggling is second nature to black barterers, and in the end it partly repaid her, for a compromise finally was reached which included three fat goats, a new sleeping mat, and a piece of copper wire.
Vane glanced at her, and with one of those false theatrical gestures that so often become a mode of second nature to a stage-player, clasped her in her arms.
For years I have been playing in pieces where I have had to stand concealed up stage, drinking in the private conversation of other people, and the thing has become a second nature to me.
Rallying was second nature to him; he was so good he could just drive in any race.
He said driving is second nature to him and he's been known to drive all the way to Julian just for a piece of pie.
The mission is to make drivers aware of the weight difference, and eventually, handling the vehicles will become second nature to them again.
I was determined to make rhythm second nature to these left-handed students.
Willow Creek School's respect for the wilderness experience and desire to provide greater flexibility to students prompted Willow Creek to approach Second Nature to improve the quality of its program," said Cheryl Kehl, partner in Second Nature Therapeutic Programs.
EARTHY EXPLORER Investigating nature comes second nature to you
We've done so many commercial real estate transactions--here, in Mexico, and in other parts of the world--that they've become second nature to us now.
Perhaps her math-obsessed father quizzes her every weekend Or maybe it's second nature to her.
Make sure it becomes second nature to them to ring you if they change their plans.
The contemplation of memory and history that has always been second nature to his work now involves us directly, in our unshakable individuality, in an appeal to what we know to be truths that concede nothing to self-satisfaction and instead turn into disquieting testimony.