Decline three invitations in a row and they usually stop arriving. Not out of malice — people simply reallocate. This is the quiet way openness gets lost, one reasonable excuse at a time, until a year has passed and the phone is very calm.
Being open isn't a feeling you generate in advance. It's mostly logistics: answering, saying yes while tired, being findable.
Reply today to something you'd normally leave until tomorrow. Love moving in either direction needs a channel that still works, and channels close through disuse far more often than through any decision.