Lower the weights, raise the rep counts.
Get a good stretch with dumbell flies... maybe try some pullovers across a bench.
do some work more directly on the triceps- maybe you can add some strength to them and in turn, increase your bench strength.
try some good ol fashioned volume work for the burn and the pump- learn to really feel the muscles when you squeeze them.
Eventually you may wanna try some weighted dips on a Roman Chair or a set of parallel bars.