Just read an article about 'average' women still believe the stereotype that bodybuilders and men with muscles are for fun and one night stands. They tend to choose a less muscled man because this type looks more like long term relationship material. So its an insecurity and misinformation judgement on their behalf.
Yet, theres still always an attraction to a developed body, even if women are choosing based on security.
When I see a guy who puts in the time and effort into his legs... o.m.g! Weak in the knees. I know how much effort and work it takes to develop legs. Not only does a balanced physique look very atttractive, the effort its taken is an attractive quality. Heres a guy who knows how to push and try hard. Someone with mind over matter ability. Can overcome pain for success. Understands that longterm health comes from a sturdy foundation of strong legs and core. Understands that legs get even smaller with age, which will make that belly appear even larger.
I see a guy with chicken legs, or thinks hes cleverly hiding them in pants... now, theres a corner-cutter. A softie, a pussy that takes the easy route. Trains only the mirror muscles, which equals vanity only.
It takes substance, perserverance, and a certain mentality to pursue and achieve regular leg training. Thats the guy Id choose for the long run any time. The guy with pencil legs... probably doesnt try hard in most areas. Picks whats easy, cuts corners, not as serious... probably even leaves his shopping cart in the parking lot instead of pushing thr 10 yards to return it.
Just my thoughts and way of seeing it... but Id choose the guy who leans in, rather than skips leg day, any time