omggg same i loved green spirited (super loved the ending tho it left me a little sad for his friend..oh well) anyway
some realistic and psychological yaoi i can reccomend are;
http://www.mangago.zone/read-manga/doushitemo_furetakunai/
(i feel like this really fits what you listed that you wanted, very similar to green spirit only difference is the seme. this seme is amazing lol wish he were real
AAAAND ALSO
http://www.mangago.zone/read-manga/sonna_me_de_mite_kure/
this has the same comedic elemant of green spirit as well as a more realistic approach
:^)
http://www.mangago.zone/read-manga/sorekara_kimi_wo_kangaeru/
http://www.mangago.zone/read-manga/ookami_shounen_to_hamu_no_hito/
http://www.mangago.zone/read-manga/the_end_of_youth_ai_no_uta/
http://www.mangago.zone/read-manga/bond_z/
http://www.mangago.zone/read-manga/inu_to_tsubame/
http://www.mangago.zone/read-manga/hakidame_to_tsuru/
http://www.mangago.zone/read-manga/kyuuso_ha_cheese_no_yume_omiru/
http://www.mangago.zone/read-manga/thank_you_my_god/
Are there any yaoi manga like Smells like green spirit?? Like very realistic and focuses on the psychological aspect. I'm getting withdrawals from that manga cause it was so good（/TДT)/