In my opinion, people are too ready to call someone a friend just because they know them at some casual level. I have 7 friends, and a hell of a lot of acquaintances. There IS a difference, and that difference is the level of trust, which has to be earned over time. All 7 of my true friends I have known for a minumum of 27 years, and most of them for around 45 years. I can leave my shop open for any one of them with no problem, but they never ask, because they all have their OWN shops. My brother in law, one of the friends, knows where I keep the spare key. I will be installing a power deadbolt this weekend so there will then be no key to keep up with. Choose who you call your friends wisely.