Good sign or bad sign???

So im sleeping with this guy we talk every day but he doesn’t plan on getting into anything because of personal circumstances. So we FWB. Last night he text saying ‘just to tell you im going out with this girl i know shes feeling upset so needs cheering up, it’s nothing dodgy at all’

Do you think its nice he told me? Should i trust him?

(I know being fwb he doesn’t even owe to tell me that but its kinda sweet)