As long as you did not swear, this is not an oath.

Sometimes I say I am not going to eat out of anger. I don’t swear or say “I swear/swear by Allaah I am not going to eat. Is that consider as oath?

Manners | February 6, 2014 9:00 pm
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Is it valid in islam to do salam ey touching feet of parents for blessing . I am from bangladesh its a tradition in our country to make salam by touching feet