I agree that trust and communication are a huge part of a successful long term relationship.
Hubby and I talk about everything (which is painful for me to do on occasion if my behaviour has been screwed up by my MI playing up) but I have told him everything and have no secrets from him.
I figured out about 2-3 years ago that it needed to be that way for me (me having no secrets from him) because too much of my behaviour when I'm unwell is doing the wrong thing and hiding it.
Still after all the messes I've made, he's still with me (been married for 7 years this year, together total of 9) so he must trust me too, to some degree at least! 
Sex, yeah, sex is important, but it's not the be all and end all, though I do like to make sure Hubby "feels good" even if I'm not really in the mood (the meds have drastically lowered my sex drive), but there are plenty of alternatives to sex , like cuddling and massages, and just being in the same bed is comforting 
Spending time as a family whenever you can (we have a 7yo son X) and since Hubby works split shifts 7 days a week, we do as much as we can to "stay in" and be family when the chance arises 
I try hard not to take everything personally (cause I'm great at that) and try to have the house reasonably organised and keep the dishes and washing as up to date as I can (that all depends on how unwell I am at any given time). I also (on the 2 nights a week Hubby's home for dinner) try to cook tea for Hubby too if I can work it all out & am up to it
He doesn't mind if I do or don't, it's just a personal preference of mine 
I also try to support him as much as I can as he works 2 jobs both of which are stressful in their own way. (I want to find work, am just having trouble finding something in school hours)
Apart from that, I talk all the time, so Hubby always knows what's going on in my head!!! lol, poor fella!! hahaha 
"Visual bruises can be covered with makeup. But down to the core I'm all bruises" Majandra Delfino.
* These are just my personal opinions/ experiences/ things that have worked for me over time, they may or may not work for you, I'm not a medical professional. Seek medical advice before undertaking any exercise, medication, diet, or any major lifestyle changes *
Chiaroscuro: basically put; a juxtaposition of light & dark, commonly used in Art.
Current Dx:
Bipolar II (new Pdoc)| traits of Borderline Personality Disorder (New Pdoc)| Generalised Anxiety Disorder (GAD)| Seasonal Affective Disorder (SAD)| Asthma| Irritable Bowel Syndrome (IBS)| Self Dx: ED/ Calorie restriction/ Binging/ Slight Purging/ Over exercising /Fasting/ Abuse of laxatives/ Disordered Eating
Previous Dxs:
Rapid Cycling BP
Major Depressive Disorder (MDD).
Current Rx:
Lithium 500mgs | Seroquel XR (Quetiapine as Quetiapine Fumarate) 50mg PM|Zactin/Lovan/Prozac (fluoxetine) 20mg AM|Valium (Diazepam) 2mg tablets prn|Symbicort Inhaler 200mcd/6mcg prn| Centrim Multivitamin AM| Vitamin D supplement AM| Nexium (esomeprazole) 20mg AM|Telfast (Fexofenadine) 180mg AM
Previous Rx:
Epilim (Sodium Valproate)|Pristiq (Desvenlafaxine)| Effexor XR (Venlafaxine)| Aropax (Paroxetine Hydrochloride)| Cipramil (Citalopram Hydrobromide)
"Think of the solution, not the problem" ~Richard Rahl~ -Terry Goodkind's Sword of Truth Series-