I think it is inevitable that if you spend enough time with someone, coupled with the newness, you can't help but fall in love with someone new. I don't think it is so bad but you have to handle it appropriately. That appropriateness is different for every persons situation.
I agree with you UBERROGO.
I once read in a study that one of the tricks to refreshing long term relationships was locking the two people in a room, ensuring eye contact and conversation. I think that one of the problems of the modern day is that for a person in a committed relationship who lives with their partner- one of the downsides is that you might have different work schedules, and end up being alone most of the time at home, spending more time with coworkers than your partner, and in the end building stronger relationships with coworkers- just because you see them more often.
I would argue that it's not as much the fault of the person, than how society is set up. Working side by side with somebody all day, and then going home, barely seeing your partner for 5 minutes and spending the rest of the night alone can lead to relationship problems. Add to that money problems, cleaning the house, baking food, small irritating things that add up with your partner, and your coworker can seem like a charming and easy way out. Especially if you've been together for a long time, and you're stuck in a rut sexually/emotionally/mentally- it never feels good to be taken for granted. Also, if you gain weight or your partner gains weight and begins looking less attractive.
It's important to remember the reality of the situation, and that if you are having problems now, then you will probably have similar problems in any relationship situation. Like having weird work shifts that don't line up, and money problems, and daily stressors- those can be in any relationship.
I would also argue, that it is possible to love more than one person. I have met some people during the course of my lifetime I really cared about and loved, and that kind of love just doesn't go away. It's always refreshing to meet people that you can relate to really deeply, it's just important to know your limits and respect the person that you are with. It's a test of character.
Maybe this is me being INTP-wannabe for a minute- but awhile ago I happened to think about relationships and how a relationship is ultimately a spoken contract- just simple words that tie us to another person. They are meaningful, but to certain people they may not carry as much importance. Some people value personal freedom and being true to themselves more than they value commitments and loyalty. It's just reality, and yeah, that can hurt to reach that conclusion but it can also be liberating too.
That's why it's so important to be with someone who you truly care about and have a deep relationship with. Part of being in a meaningful relationship is dealing with those trials and tribulations. I think it's pretty normal to end up working with people you are attracted to from time to time, that's life. And you shouldn't have to avoid someone just because they are attractive and you are attracted to them. I think the important line to draw is maintaining a professional atmosphere, but also recognizing if you are in a relationship that's not fulfilling, and knowing where to draw the line.
