by force of habit

US /baɪ fɔrs əv ˈhæbɪt/
UK /baɪ fɔrs əv ˈhæbɪt/
"by force of habit" picture
1.

per forza d'abitudine, per abitudine

because of a routine or custom, without conscious thought

:
He still checks his old email account every morning by force of habit.
Controlla ancora la sua vecchia email ogni mattina per forza d'abitudine.
She automatically reached for her phone by force of habit, even though she knew it was dead.
Ha automaticamente allungato la mano verso il telefono per forza d'abitudine, anche se sapeva che era scarico.