Without lube it'll most definitely hurt. Some like the pain tho :D
I think pushing a poop baby out unprepared is quite different to taking something upp your ass :D
1stly the shape: poop doesn't care it can just be this huge lump, while dicks usually are evenly thick so when it gets in its as easy to get out :D
2ndly preparation: lubing and strechi...... reply
I don't remember my 1st BL but in upper secondary (13 or 14y old) I started to ship pokemon dudes (red x green, gold x silver). I found some beautiful fanart and then even some dojinshis and from there I found the sites that were full of BL :'D
Now I'm almost 27 and the bl obsession continues 8) reply