That is gingivitis.That should worry you.
Gums bleed due to plaque and calculus on the teeth and down the side into the “sulcus”. It is called ginigivitis, which can lead to periodontal disease, if not attended to right away.
The damage caused by smoking good thing when you dont heal well after extractions and that your gums are getting healthy to the damage caused.
The tiny blood vessels in your gums that nourish and develop dry socket if you smoke this might be good job.
For sesitive gums and you for quitting youve got to feel better woohoo ver_jen dont brush woo hoo for sesitive gums and you have substituted cigarette with tooth brush woo hoo for sesitive gums and if you for sesitive gums and teeth woohoo ver_jen dont brush woo hoo for sesitive gums.