All of what you mentioned can be a factor but I believe trust & communication are at the top which go hand in hand. A communication break-down leads to assuming & taking for granted which in itself can be the ruination. JMHO...
I have to disagree although I am suspicious in nature-have to keep open mind to the possibility it can happen-just be cautious. You never know unless you try. If it's meant to be you will see(how poetic) It is what it is..GL
RE: Whats Your Favorte Quote?
Discretion is the better part of valor!Selective promiscuity-coined by yours truly..
You think it's easy being me-unknown origin but have been saying it for at least 20yrs.
Never step on someone on your way up for you may meet those same people on your way down...