Definition: Given a real-life anecdote of a complex ethical situation, generate a suitable title that describes the main event/root cause of the situation. Imagine that the given text is a social media post, and you have to write the title of the post, so the users can decide to read the main text or not.
Input: **Backstory:**

I startet and finished a apprenticeship as a system engineer, did my mandatory military service an then worked until 2017. In 2017 I quit my job and did a one year fulltime school (Maturitiy / Maturité) that I can start studying.  During this time I started working as a freelancer for a former co-worker that started his own business. When I was finished with school I startet studying fulltime and also worked 40% part-time for him.  In this winter I decided I miss my freetime and changed to part-time studying. I currently work 60%.

Important during all this time I am employed as a freelancer with a notice period of two months. (two months are mandatory in my country) If there is no work he's not obligated to pay me anything, I work per hour. I never worried about that since I always had enough work.

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**Today:**

Through a coleague from University I got a really good job offer. Better pay, paid trainings for tens of thousands of dollars and it is a dream job from the tasks. It sounds really great. I really want that job, but also don't want to destroy my bosses business.

I just landed and startet a Project worth 80 grand. That the company only got because of me. I told him if I took the offer I would finish the project and create a perfect documentation that when I'm gone someone can take over. I always put the company first I worked on weekends, evenings no matter what. The main thing was that the customer was happy. I will also miss one week of lectures, because I will work one week on the project on the other side of the planet, with jetlag and everything.

In the "talk" about my idea to leave he got really mad and came on a personal level and gave me a guilty conscience. My boss told me he thought I would help him build up his company, to what I never accepted or signed anything. I mean I love what I do and do a goddamn good job. But I always saw me as a salaried. I don't own any parts of the company. Even in this big project he presented himself as the main character to the customer. As if he did all the planning, preparation and hard work. All my other Projects are really good documented with a couple of weeks someone can take my job over. I even asked the new possible employer if he could wait until august that I can learn in a new person for my job. Further he told me it's unfair that I leave and let him hanging. I give him goddamn 5 months to find someone. 

My boss and I always had a really good time during work. I would even call him a good work friend.

He told me I could leave but he would never forgive me for the betrayal.

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I talked with my two best friends about that. Both told me that I'm not an asshole for wanting to take the opportunity and should leave if I wanted to. 

Are they right? What do you think?

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wanting to accept a job offer for a big opportunity and leaving my friends company