If you can do 3 more reps on the last set of 5x5 then obviously you need to add more weight to the bar, genius.
Anyway, I'm done going back and forth with you. I should have known better than to engage in a strength training discussion with someone who believes no one should need a spot.
You should be following a program with linear progression, genius, so you'd be adding weight to the bar every single week.
Ask mr tough pants who spots him. Maybe it's his cat.
No, a spotter isn't required for any exercise. It's a shitty excuse to not bench.