Is it normal that i use to watch porn with my cousin?

Back when I was younger my cousin who was close to me would watch porn with me and we would jerk off together. We were only a year apart and we started off just watching together but then on a dare one night we pulled our pants down and jerked off in front of each other . We never touched each other and always watched strait porn ,usually milf porn. He wanted to one time but I turned him down and said I didn't want it to get too awkward between us. It was always extremely fun and we had a good time. I also had a crush on my aunt who is his mother (she is not related to me by blood) when I confessed to him one night I thought she was hot he agreed and said he thought she was too,which shocked me. I remember we'd wait for everyone else at sleep overs to go to bed and we'd watch something and cum on a towel we laid on the floor. We'd then throw it into the laundry basket and quietly hop into our beds so nobody would get suspicious. Eventually when we got 18 we stopped due to life obligations and not hanging out anymore. Earlier last year we hung out once and we put on porn but didnt jerk off because I felt odd about doing it as an adult. Apart me of feels embarresed and ashamed but when I think about it ,I remember how extremely fun it was. I kind of want to do it again but I'm nervous about asking him now that we are in our 20's. We both have had relationships with girls and moved on from that but for some reason I'd like to do it just one more time.