Why am I so inappropriate?

When I'm talking to people at college, sometimes I just go off on one and start talking about the most inappropriate things such as sex or death or something weird. I get really loud and I worry that I'm behaving too outrageously and being attention seeking. I really don't mean to but once I start expressing myself I can't stop!

What would you think if I was in your presence?
Why am I so inappropriate?
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