Confession is always very important to seal the deal. Until then, there's a certain uncertainty lurking around which if not addressed, creates rifts in partners and doubts and conflicts seep in through these tiny cracks.
Trust, respect and understanding is almost synonymous to love, but not love. Love is always a +1 above all these factors. Communication is so important, gosh, these two need to speak up, soon. Kahi aisa na ho ki train aage nikal jaye aur jazbat peeche.