Riiight. Captain Highpants would rather continuing mowing the lawn than go back to Trixie's house for a hot three-way (with bisexual Betty).
Don't tell me he's gay, because the whole premise of the ad is based on him being a hetero. And, don't tell me he has a lawnmower fetish, or is, in fact, The Lawnmower Man.
Also: That mower is cutting about a four-foot swath of grass, not "21"."