PC NEWS: 126.96.36.199 update is out! More info here. Report bugs here
CONSOLE 1.4 NEWS: The current plan is to have Terraria: Journey's End out for Xbox and PlayStation in Q3 2021 (Jul-Sep). Switch will follow shortly afterwards. More info here. Stay up to date with console news here
MOBILE NEWS: Stay up to date with the latest mobile news here. Report mobile bugs here
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I think they're just surprised by it. That's not an everyday thing that your parents get confronted with every day, so it might just be very surreal to them. Have some patience and don't worry, they'll probably learn to understand you.