Why do I laugh at this subject?

[secretlulu]

ok.So everytime my mom asks me something that is usually ackward I start laughing,well smiling.For example ,once she asked me,do you like that boy?I said no,and started laughing.I said the truth though,obviously she thought I was lying.Why did I start laughing?,and how can I controle it?!!please help
im 12

 

[Margo]

Lawls, maybe you just get nervous around awkward situations. Just try not to let them get to you? I don't really know what else to say..there's not much you can do. Laughing is hard to control, ahah

 

[tSWIMMERt]

How old are you?