Girlfriends Mun

Afew weeks ago me and my gf stayed over at her parents house I walked across the landing in just my boxers to go to the bathroom her mum saw my bulge as I had to walk past her. Later that night her husband (gfs dad) and my gf went to bed early me and her mum stayed downstairs we had a couple of drinks (not alot only 2 maybe 3 each) we was watching a show called naked attraction where people have to pick a date by seeing people naked she saw the cocks on there and said judging by my bulge I'd give them a run for their money then asked to see mine I really fancy her so yeah I got it out and it was rock hard she took it in her hands and stroked it only afew times she said she loved it and was staring at it while she stroked it then she just goes "right I'm off to bed" and literally left me there with my cock out middle of her living room I had to go to bathroom to finish myself off. I think she just got nervous because since then shes made flirty comments to me and I've grabbed her arse afew times but thats it. Now I cant stop thinking about her I want to fuck her so badly.