Today was my 4th time bike commuting, and the first time it's been warm enough for me to actually sweat (74F and 83% rel. humidity). Took advantage of a little-known shower in our building and arrived at my desk clean and cool.
In four rides I've gone from 45 minutes door-to-door to 30 minutes d2d (45 min door-to-sitting-in-my-office). Guess I just had to remind my body that it's capable of more!