Just after some advice really, will try and keep it simple.
Been with DP for 6 yrs, both mid 30's.
He has a close female colleague. They are not in the same team, but I am assuming they were/are stakeholders. He has never seen her outside of work, it's purely a working hours relationship. They often go for coffee while in the office, maybe once a fortnight.
DP is leaving his workplace and he invited this colleague to his goodbye do. I work in the same area and by chance ended up going to the same pub they were at.
To put it bluntly his hands were all over her. Back, waist, bum, legs. I could also hear him tell her how attractive she was.
I left 5mins after seeing this. I confronted him when he got home. He admitted getting very touchy feely with her, but has sworn nothing has happened pre this date.
I believe him, but wow, this hurts. We are planning children/marriage soon (though not engaged), but it has me thinking whether I am enough for him and whether he is still on the lookout for something better.
Would I be unreasonable to leave him because of what he has done?