Of course there is no shame.
A credit card is a credit certificate issued by a commercial bank or credit card company to consumers with qualified credit. The form of a credit card is a card with the name of the card-issuing bank, validity period, number, cardholder name, etc. printed on the front. Consumers holding credit cards can go to a special commercial service department to shop or consume, and then the bank will work with the merchant and the cardholder to The cardholder can make an overdraft within the prescribed limit.
As long as you avoid being overdue, there will be no impact. If you don’t use it, just remember to cancel it in time to avoid annual fees.