Not as often as you might think. Usually, it depends on the overall storyline and character development. Some manga focus more on other aspects rather than secondary characters' love for the main one.
Yes, it does occur sometimes. It depends on the genre and plot of the manga.
Chapter 203, ", The Great Impurity", is the clearest early answer because it turns Ge Wajia's situation into a concrete plot event. The setup is Hearing about the new blood, Matins's heart softened a bit., but the pressure keeps building through But immediately, he returned to his role as a battle commander..
Chapter 197, "From Today Onwards, I am the Phoenix", is the clearest early answer because the buildup finally cashes out in a real clash. It opens with In an era beyond historical verification, The Emperor who walked... and closes on Considering this, why support an old battle group?. The key payoff is that the danger stops being abstract and the conflict around family politics becomes immediate, forcing the surrounding cast to react under pressure.
Chapter 169, "You Can't Bear to Leave Me, Can You?", is the clearest early answer because it turns Chief Pei Desi's situation into a concrete plot event. The chapter gives readers a real answer by opening on And the head of Pei Desi was clearly unwilling. and ending on In her mind, she still pictured her father's face, flushed with....
Chapter 32, ", Courtesy Light but Affection Deep", is the clearest early answer because it turns Colonel Yelisia's situation into a concrete plot event. The setup is The news of cult proliferation sent everyone in Revival City into a..., but the pressure keeps building through However, the instigator of the crisis, His Excellency the Governor,....
Chapter 41, ", Encircle the Point to Reinforce?", is the clearest early answer because it turns Yan Fangxu's situation into a concrete plot event. The chapter gives readers a real answer by opening on The appearance of the Pus Spewer posed a rather tricky problem for... and ending on He didn't just stop firing himself, he also ordered his men to cease.... In story terms, the chapter closes with "Don't worry, I have a plan.
Chapter 215, "This mom is still needed", is the clearest early answer because it turns Heijian Star's situation into a concrete plot event. The chapter gives readers a real answer by opening on As long as the taxes are paid and there are no other major issues,... and ending on Even if he is reliable, did he personally arrange security for the....
Chapter 162, ", Fleet Military Governor", is the clearest early answer because it turns Quintet's situation into a concrete plot event. Early on, If one were to say that Genie Kuangya personally led his most elite.... By the end, Those that do manage to close in likely won't have overall firepower....
Chapter 98, ", Tactical Interweaving", is the clearest early answer because it turns Kodi's situation into a concrete plot event. The chapter turns that into something concrete by moving from In the midst of the battle, getting flanked was disastrous. to In this situation, their line was somewhat precarious.. What makes it stick is that the chapter closes with It's a bit tough, no drafts saved, wanted to post more but didn't finish writing...
Chapter 176, ", Making Dumplings", is the clearest early answer because it turns Making Dumplings's situation into a concrete plot event. Early on, I plan to gather all the tank platoons from each combat battalion of.... By the end, This time, the shelling was much denser and longer-lasting than ever....
Chapter 193, "The Grace of the Kind Father and the Past of Rage Owl Star", is the clearest early answer because it turns Ge Wajia's situation into a concrete plot event. The setup is Hearing the report, Ge Wajia opened his eyes., but the pressure keeps building through His slanting eyes seemed very indifferent..