A: It's because we're trying to hold onto it with duct tape and prayers. If you're experiencing frequent timestream disruptions, please try not to panic. We're on it.
A: We can't stop you, but be warned: timey-maƱana's will not be held accountable for any resulting singed eyebrows or burnt toast.
A: If you're reading this, you're probably already invested enough to know that the answer is YES.
A: Ha! You think you can just waltz in here and ask for a refund? You're in a chrono-timeline, pal. You're stuck with what you've bought. Sucks to be you.
A: Not if we have anything to say about it. That'd be a Temporal Loop of Desperation. Don't even think about it.