I’m 20 dating a 18year old girl were both gay. She’s had partners in the past and I haven’t hers weren’t serious like what we are we’ve been dating for 1 year. So basically I was so madly in love with my girlfriend at the beginning of the relationship then around 5 months in I found out her ex still fancied her and was saying stuff like come and meet me so obviously I don’t like the ex and don’t want my partner talking to her anymore. There have been numerous occasions where she has been brought up in arguments because I don’t trust her and my girlfriend is very sneaky and sneaks around to see me but doesn’t tell her mum and I feel imagine if she was doing that behind my back without me knowin