Originally Posted by Toyman991
Never inflate a newly-installed tube to its full pressure indoors. Even if you're certain that it's seated properly. Except...while wearing hearing protection.
I had three tubes on two bikes do this about an hour after I went to bed. Took 10 years off my life.
+1 to hiding bike purchases. Alternatively, get her something for her bike when you get stuff for yours. It totally works.