More is a difficult axis to push on directly. What tends to happen is that the extra energy gets spread evenly across three half-finished projects, and by Friday all three are seventy per cent done, which is functionally the same as none of them being done.
Motivation is better spent on sequence than on volume. One thing carried all the way to the end produces something that exists in the world. Three carried most of the way produce a feeling of busyness and nothing you can show anyone.
Pick the one you would be most relieved to be rid of.