I have had mine for 13 years. Like you, I was overwhelmed at first but I have had it replaced once in 2013 and have about three years war until I get a third one. I don’t even think of it and I am thankful that I made the decision to have it done. It was a choice between an ablation and the pacemaker. They said with the ablation that I might have to remain on the amiodarone and I did not want that. Terrible terrible side effects are possible with that medication. It might take a little while but you will soon feel much more comfortable and eventually almost forget that it’s there.