That's awesome! We're basically the same. Steady loss here too aiming for 160. Been on this since March and at 209 now. Hope I get those kinds of gains by the year mark like you did - seriously great work.
He's moving forward nicely. Remind him this takes time - fast loss doesn't stick like steady does. Fatigue might be the meds but could be his body adjusting. Staying consistent beats sprinting.
loose skin after fast weight loss is rough, especially as you get older. collagen creams and retinol help a little temporarily but the skin can take 6 months to firm up, maybe never fully bounces back. that's just the reality without surgery.
Cartalax availability is limited outside European research circles, which is part of why feedback is thin. The slow-acting characterization is accurate - the results window for peptides in that class is measured in months, not weeks.