How to keep upload speeds up when on other apps and other interfaces on slsk

[listener2]

I know this is a forum for slskQt, but i have a question about nicotine+ (my ports don't forward correctly on Qt): i have to be in the "uploads" section for people to actively download from me. if i go to private messages or the chat rooms, the upload speeds drop to zero until i reopen the tab. this also happens while online but with the Slsk window minimized. however, i see that some people have  downloaded from me. i want to know how to keep productively sharing my music. thanks in advance if anyone can help.