Back story... Met my ex 26 years ago ,we were both single & were together 3 yrs, split up and i found he got married, i also moved on, he was married 16 years & they have a 23 yr old son, bumped into him and they were on the verge of seperating which they did and we got back together, obviously she didnt like it , he used to still go to there house for hours to see the son which was fine but he never spoke whilst there, he looked after the place while she was on holiday and i found out he still had the key for years , eventually we split again but got back together this was 2 years ago and he stayed round there a fews times , he said he slept on the settee, but i couldnt call him there and she couldnt know we were together cos of financial things, he said in 2015 they divorced i found out that was a lie and they apparently filed in feb this year..(so he says).. He buys her flowers and takes her for meals for her birthdays , he doesnt get it when i said it messed up our relationship to a point.. Theres nothing wrong with being friends with the mother of your child but i just feel he rubbed my face in it and over stepped the line.. We are not together now but i just want opinions as to was this normal or disrespectful?