Proximity is not an issue for those that are always there for you.
These set of people do not just stay around you, rather they correct you, speak to you and love you for whom you are.
These are the people who are always available whenever you need a shoulder to lean on, they are always there for you through thick and thin and they should never be taken for granted.
Learning to diffrentiate from these has been an issue for people. I could remember i was once in such a situation. Thanks to God it didnt linger for too long.
Never confuse these two categories, study your friends and analyze them, this will help you know how you will place them and it will help you know whom you can confide in or otherwise.
Thanks for this @gbenga.