Friendley, genuine advice.?

I have been married now for 4 years nd wiv my hubby 13 years a few years ago i started feeling disgusted wen a lukd at me husband through i always thought ov others nd tryed 2 avoid it as much as a cud but tryed to stick it out coz weve bin threw loads nd its alot 2 throw away as we av a child, then last year a met sum1 who was 12 years younger than me who made me feel special nd young again nd who a thowt cared 4 me, i had an affair for only 4 month nd decided if a cud do that then a musnt really luv me hubby at all, alot ov it was vanity a thought a cud get rid ov the old nd start again wiv a newer yunger model so the husband went, only to find owt the yunger model slept wiv me so called ex- best friend so there u go i end up wiv nothing nd thats wat a get 4 being a selfish heartless ***** ana, but u c a think am in love wiv the newest 1 unless its lyk sum sort ov obsession all a do is think bowt im txt im ov course he still wants to b friends nd av a fumble now nd then but a want more nd he's not willing 2 giv me that he is young nd selfish only really wants me wen a can giv im sumthing o wants sumthing from me nd am not stupid i can see it plainly but a giv in 2 im all the tym even though a na he is takn me 4 a pua muppet, then there's me hubby that na's everything nd still wants us 2 b together has helped me mentally nd financially over the last few months but the trouble is a dont love im any more but a feel lyk a right c..t telling him theres no chance, will it b worth giving it another go? seeing if a can find that spark? o just tell im its over im so lost at the minute and am being totally selfish ana a just need sum gud genuine advice o sum1 to talk 2 about it. PLEASE