>>3585085One problem is that you are probably taking the picture with a smartphone.
They usualy tend to have wide angle lenses, roughly equivalent to a 24-28 mm lens on a full-frame camera.
For portrait the absolute minimum you want is 50 mm equivalent because wide angle lenses have huge parallactic distortion.
Pic related:
The other problem is that phone cameras tend to suck and you probably don't know anything about post-processing.