What is one lifestyle change that improved your neck?

I just turned 40 and feel like my neck is getting worse by the day. The creases, the crepe, the sag…all of it. I’m researching various interventions but I’m a huge baby about surgery and wouldn’t be able to justify the money anyway so reserving that option for another decade down the road.

My question is whether any “lifestyle” changes have had an impact not just on general skin health but on neck appearance in particular? E.g., cut out sugar and/or alcohol, get 8 hours of sleep nightly, focus on weight training, etc etc., which would all obviously help skin and appearance overall but would it offer any improvement for the neck in particular? Or is the damage done? Worth noting I wear sunscreen every day including on my neck but could probably do to reapply more often.

Also curious about red light therapy masks for the neck, if anyone has any experiences or opinions either way. Thanks!!!