Idk I’m not a love expert

Yes that's the best way

No

I don’t think you “fall out of love” you’ll always love someone the type of love just might be different.

U can yes

or ur just still in love and u just know that deep inside so u wanna be friends with that person even though you decided to break up

Yes, as long as they kept things classy & didn't degrade you or disrespect you during the breakup.

Mhm

yes although it depends on the individuals and their circumstances

sure, I doubt it's worth it though