My experience is that longer you work for big company more difficult it will be to leave. I was in similar position for 7 years and then left, but emotional att

My experience is that longer you work for big company more difficult it will be to leave. I was in similar position for 7 years and then left, but emotional attachment of my peers (resulting in both positive and negative emotions towards me) was really a problem... My professor used to say - change your job every 4 years, this works nicely for ease of your psyche :-)