LaForce said while some players and coaches were excited to finally welcome wives girlfriends and children into the bubble -- people they haven't seen in person in months -- Jimmy was drawing a hard line.
"No offense to families but Jimmy Butler said, 'This is a business trip for me. I’m not messing around.'"
"Everyone wants to have their family, without a doubt. But we’ve been doing this for this long. What’s another couple of months?"
Jimmy concluded, "It is an individual decision and I respect that decision that my teammates make but for me, I’m here for business.”
Butler has a baby daughter back home who's about to turn one in October ... but she'll have to chill out before Daddy can celebrate!
Meanwhile, Butler has definitely been handling business -- he played spectacularly Monday night ... and has led the Heat to the Conference Semifinals, where they're already up 1-0 on the mighty Bucks.
Of course, not everyone feels the same as Jimmy -- Toronto Raptors star Fred VanVleet brought his family into the Bubble this week ... and the reunion was ADORABLE!
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The NBA has warned players to make sure their guests don't wild out at games -- no cussing, no storming the court, etc.