What happens next?

How to turn down a drink
Say no directly.
If someone offers you alcohol, the best and easiest response is a simple, " no, thanks. " oftentimes people will not push you for a reason and respect your choices.

Available choices:
(A). They may surprise or be scared of rejection, but offering them something is far better than a refusal. If they've offered to pay you for some food or coffee, accept..
(B). Should the person offering question you, you can try more detailed responses. For example, you could say, " thanks, but i'm the designated driver..
(C). For instance, if your older family member invites you out for dinner, then she may ask you to meet her for a drink after everyone has gone home. Listen and let her lead the conversation, even if you decline..
(D). After all, drinking alcohol is obviously fun, so don't feel obligated to participate. If, however, they're very interested in you and don't understand the value of your decisions, it's perfectly okay to decline..
(B).