1. Don't refuse a better offer because you love your current employer.
Be pragmatic. Businesses are loyal to their bottom line, not to you.
2. Don't refuse a great opportunity just because it requires a pay cut.
Manage your career like a business.
Businesses can't afford to love anyone more than their reason for being (profit).
1. Invest in it.
2. Deploy it to the highest, reasonable bidder.
3. Manage it with your long-term goals in mind.