Hi., I can understand your concern.
Yes it can be estrogen dominance in obese males.
And back pain knee pain can be due to vit deficiency and
calcium deficiency.
Puffy nipples can be a sign of gynecomastia.
Next Steps
can take
tab shelcal at night after food for one month
tab astymin forte after breakfast for one month.
Health Tips
plan for weight loss program
need to see a surgeon in person if issue persist.