[Lance grabs his shield, eyeing it very dubiously, but at Ian's comment about math saving your life he can't help but look up and offer immediately--]

I'm terrible at math. Maybe that's why I've died twice.

[It's an exceptionally morbid joke, and Lance looks far too pleased with himself for it, though he moves on immediately and holds his shield out to Ian.]

Yeah, thanks, whatever you can do to prevent me from adding 'burned by acid rain' so my list of experiences, the better.