How to get comfortable as a Introvert shy girl when getting married in a Joint Family?

Hello everyone, I am one of the so called introvert or i should say a person who finds it difficult to talk with new people.

So me and my boyfriend are dating from 7 years and we think it's time to get married, we love each other too much and i want to be with him, but he have a big joint family and now i am going to be a part of it.

I have met his family and they are nice, but i can't seem to start a talk with them, they asks something i answers and then it's awkward silence if my boyfriend is not around, his family seems nice enough to me, but i just don't want to be awkward around them as soon i am going to live with them.
How to get comfortable as a Introvert shy girl when getting married in a Joint Family?
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