I still think you're killing it, Nate Dogg. You've built the sexual tension up to a palpable level. There's no doubt that it is going to pay off. That "I want to be embraced by you immediately" feeling isn't burning out anytime soon. Pushing too hard or a kiss of your new neighbor makes you just like every other creeper guy. Cooking dinner together, playing with your kids together, and sharing deeply personal life experiences -- that's a level of interpersonal intimacy that goes far beyond an awkward, forced kiss.
The Friend Zoners are misreading the situation based on their own experiences getting "friend-zoned" because they weren't seen as true boyfriend material for their love interest. That's clearly not the situation here. The neighbor situation changes the game. You can't bang your neighbor and then tell them that you are still married post-coitus. Too many consequences. Consequences that Marisa clearly recognizes, which we should take as a sign that she is more sane than a lady that would bang a new neighbor at a backyard BBQ because he splurged on aged cheddar over American. It's undeniable that there is mutual interest and affection and unique shared life experiences, and you're both wisely being cautious about it considering the circumstances. But the fact that she is thinking about the appropriateness of a hug suggests that she has been thinking of doing far more inappropriate neighborly things to you.
It's just a matter of time as long as you don't do something incredibly stupid, which I think is unlikely as long as you continue to follow your gut over the advice of middle-aged dudes who are impatiently awaiting another masturbatory tale until AZ Ron encounters another downtrodden broad in need of a few racks. The saddest part about it all is that the Colonel is going to be so in love by the time that he finally gives the rear axle to Ms. Vito, we'll never actually get the sexy details. ####, we'll be lucky to get a

.