Is it normal to smile when uncomfortable?
Yep.Totally normal
Yes, smiling when you feel uncomfortable is a common nervous reaction. It doesn’t necessarily mean you’re happy or amused.
A smile can pop out when you’re nervous, embarrassed, or unsure what to do. For some people it’s an automatic way of smoothing over an awkward moment or easing tension—not a sign that they’re enjoying it.
Other people might misread it, especially in a serious conversation. If that happens, you can simply say, “I’m smiling because I’m nervous, not because I think this is funny.”