Depressed with Nursing

I am almost 39 and young to nursing (3 years). I changed my career because of the dynamic nature of nursing. If I don't like a field of nursing, I can change. As for the pay cut, I think it depends on what is more important to you and most nursing jobs pay with respect to experience. 

Before you all the way throw in the towel and since you’re even considering taking a pay cut, how about you give outpatient nursing a go. It’s a 9-5. EVERYONE GOES HOME AT THE END OF THE DAY. No call bells.  No changing poop. No standing all day. No getting the worse assignments.  
and there are plenty other jobs besides inpatient if you don’t want to do outpatient.

I’ve been thinking about trying to transition into nursing informatics. I wouldn’t have to be a bedside nurse anymore and I can help nurses with computer charting that I may know more about since I was a travel nurse and have at least used other EMAR systems. I’ve been just thinking about it but it might make sense for me. I believe it would also pay more than a bedside RN.

You probably should get out of med-surg.  Consider some other areas like mentioned above.

Also, don't define your life by your career or you will be miserable.  I've been in it 30 years and have been through some hard times where I've wanted to run away from nursing.  Not sure how I stuck it out but leaving work at work and finding a work life balance, that includes vacations and travel have made it bearable. 

With six years of experience in so many different areas, you'll be in high demand no matter where you apply. I moved from bedside nursing into PACU nursing (pre-op and post-op). It's located at a hospital with a Level 2 trauma center, so we get some interesting/critical cases and receive in-hospital pay. But I get to work 3 10-hour shifts/week, start at 5:30 am and leave by 4 pm. No weekends unless you count my one on-call day per month (and I select the day that I sign up for). It's a pretty good gig!