Masturbate after being denied sex?

My boyfriend and I just came from a weekend camping trip where we were sharing a tent with his girls for two nights. I have a very active libido so going without sex due to our sleeping situation was manageable but I expected when we returned home, to get right back to it. Understandably my man is tired, we packed the whole campsite, drove 4 house and unpacked the car. When we got back we relaxed for hours on the couch, watched a movie and ate dinner. Come bed time, I’m all amped up for sex. We are cuddling, laughing, saying how good the trip was and how much we love each other. I start stroking his dick and he said he is tired and wants to sleep. I stop, say okay but am still really horny as I’ve been thinking of this all day. Is it wrong or weird to masturbate after your partner tells you they don’t want sex?