Difficulty With Climbing

Hello everyone,

I'm in my early 60's and have returned to riding after not being on a bike for many years. I have a flat bar hybrid road/gravel bike with 46/36 front chainrings and an 11/32 cassette. 700X40 tires. I am 6'4" and weigh 228lbs. I'm using clipless pedals and I feel that my seat...