<human>: Can you give me a shortened version of the text?

My family is generally quite loud, especially when we're all together. My father and mother [60s] are both retired military, along with my father's two closest friends (I consider them my uncles), and I have two brothers - my twin Elijah, and my older brother George [28]. George has a five year old, Jack, who is a wonderful little boy but is obviously the center of attention at family gatherings, especially Christmas, and can get very excited. Individually we're generally pretty calm and collected, but get us all together and we can get very loud. I'm not above wrestling my brothers, father or uncles for supremacy. It's how we show affection.

My SO, Harry, on the other hand, came from an emotionally distant family that rarely talks and lives in the four corners of the earth. He's quiet and shy, and I'm worried about him feeling overwhelmed or out of place among a bunch of super loud military guys. He's met my parents and Elijah individually and they got along great, but hasn't had to deal with the whole clan all at once. I've told him some stories about our crazier antics, but I don't want him to be completely overwhelmed by all of us. He's already worrying that no one is going to like the gifts he got...
<bot>: My boyfriend is very shy, my family is very loud. How can I help make sure he doesn't get completely overwhelmed by all of us?