Awww shucks, you're sweet 
Weeeeell as for that fitness thing.... if you want to check out the "about me" on my profile it'll flesh out what I'm saying here a little but...
As a heads-up, I have a connective tissue disease called Ehlers Danlos Syndrome that keeps me from doing the sexybeastly things I would love to do like competitive swimming, crossfit, traditional heavy lifting, anything with impact, etc. So my routine is modified and pretty gentle. And 124 for me is pretty arbitrary at the moment now that I'm feeling better about my body composition. My current fitness goals are to increase my strength, pack on some muscle in that process, and to reduce my body fat %. I have no idea what my BF% is now and I don't really care - I just want to get as lean and strong as I can (and can physically handle) while maintaining this Primal/Paleo thing as a lifestyle instead of just a means to an end - you know? This isn't for aesthetics anymore - I'm finally pretty happy with how I look. But for the sake of my condition and the fact that I am desperately fighting tooth and nail to keep from being wheel-chair bound before age 30, I want and need to keep a low BF% as I can while being as strong as I can to take any stress off my joints that I can. So right now I'm focusing on body composition as opposed to weight. I'll gladly pack on as much muscle as I can (and because of my condition and personal limitations, I'm not about to be able to get "big" but I think I could add 5-10+lbs of muscle over the next year or two...slow gains) while minimizing body fat.
So to answer your question - I just started a serious strength routine. I was doing a series, at home, every 7-10 days of chin-ups, assisted pull-ups, pushups/planks, squats, lunges, and static lateral raises in a door frame. Now that my body fat is a little lower I'm more serious about strength gains I'm trying do to a 1-4x/week hardcore strength routine on this AMAZING thing my new strength&conditioning coach (I replaced my physical therapists with him because he doesn't treat me like I should be in a damn bubble) called a rip60. Check it out on Amazon. He has a TRX system but the Rip60 is pretty much the same thing at less than 1/2 the cost. It allows you to use gravity and your body weight for strength training and unlike gym equipment, it is very very easy on my joints. I also bought a 10lb kettlebell and have started doing 1-leg kettlebell deadlifts so I can start building up to legitimately deadlifting. And I say 1-4x/week because I just have to go with how my body feels. It will average close to 2-3x/week, but I know I have better weeks and worse, so that's that. On the Rip60 I've been doing squats, 1-legged squats, lunges, tricep extensions (modified skullcrushers), elbows-out and elbows-in rows, and bicep curls.
Then lots of slow movement. House cleaning counts as my slow movement because excessive daily activity is kind of a no-go for me. I just get damn tired. So cleaning/walking/fooling around with my dogs for 4-8 hours a week is solid for me. I'll throw in a fun bike ride with my boyfriend or something once in a while if my joints feel OK since bike riding is surprisingly difficult on my wrists and elbows. On my walks, every 7-10 days, I'll do about 5 sprints. Always uphill and on my toes because that's the only running/impact that doesn't seem to bother me. I was a competitive swimmer for much, if not most, of my life, so when my shoulders feel good I'll go for a swim for an hour or two.
SO, to sum it all up, I got to where I am by doing lots of slow movement, and sprints and body weight stuff every 7-10 days, and now I'm focusing on body re-composition and strength gains by really upping my strength routine on this low-joint-stress system.
I hope that answers that
Good luck!!
Live Clean, Love Hard. Or vice versa.
Female! Height: 5'10.5" HW: 161 SW: 135 CW: 124 GW: Whatever number my body wants to be when I'm eating and moving well - trying to get that muscle mass up.