I have been with dp for a year. He has weekends with dss and for past 6 months + overnights at my home. Dp sometimes works fri & sat Eve's so I put dss to bed on those occasions.
Tonight when putting dss to bed I say might night love you dss, to which he replies 'love you too'
Such a good feeling for me as its the first time he has said it. Not sure when I first started saying it to him, but so nice to hear it back. (He is 6 nearly 7 for context).