For the Lovebirds:Lessons for two at the Rink at Rockefeller Center It’s not advertised (on the website or elsewhere), but couples can request what the instructors like to call “semi-­private” lessons. Bonus: Those who schedule at least a week in advance will be ushered past the endless line of eager tourists, VIP style. $65 for 30-minute couples lesson; $12 rentals. (Fifth Ave. nr. 49th St.; 212-332-7654.) For the Little Lads:Jumping Jacks at Trump RinkThis accelerated beginners’ program at the rink formerly known as Wollman teaches boys ages 5 to 10 all the basics, plus bunny hops and side jumps, preparing them for grand leaps in the future. $500 for season, up to four 60-minute sessions per week, through March 9; registration after January 3 is prorated. (Central Park S. nr. Sixth Ave.; 212-744-0882.) For the SoulCycler: Fit Skate at Trump RinkForty-five minutes of slalom-skating cardio is interspersed with leg-lifts and push-ups done on yoga mats. So long as you can skate forward or backward, you should be all good. Be sure to bring gloves. $45 for one session, $35 for you and one friend; Thursdays at 7 p.m. For the Meetup Maven:Adult Skate Night at Chelsea Piers Beginner ad...