Way too many.
If they really deserve to be a part of your life, they will make it through. But if they don’t, learn to let them go and know that:
better people will come along and fill the holes that the previous people might have left behind in your life.
seriously the worst feeling…
But that’s the problem with today’s society. When something isn’t what they want they throw it away instead of trying to improve it. Everyone’s always looking for something better instead of fixing the problem.