Aquarius man - found a new woman or just friends?

I have been with this aquarius man for almost 3 years now. We are in a long distance relationship but we communicate everyday and I do visit him few times a year.
He had a failed marriage and is divorced now but he never mentioned it to me, i found out by chance.

We had an argument recently (November 2015) and did not contact each other for a month.
I found out that he has opened up his account on the dating website we met and he is also speaking to a new girl (who is the same nationality as him) on Skype.
That girl is also divorced and with 2 kids and they talk on Skype every night.

The thing that upsets me the most was when I contacted him and we were talking, he hung up my call just to answer that girl's call.
After all these years of relationship, I meant nothing afterall.

Does this mean that he is interested in her?
Since they are talking everyday?
I should let go right?

Further to that, i did ask him if he is speaking to someone else.
He lied and told me he is not talking to anyone else. He said that previous call was from his mother.
Then when we were talking on text, he told me that even if he is talking to a woman, it's just a friend and i should not misunderstand people.

Do friends talk everyday??

I wouldn't waste my time with a long distance relationship, doesn't it annoy you talking over the phone constantly? For me I wouldn't take a long distance relationship seriously, it may be for fun and to keep my occupied when I'm lonely, but as long as that person is in another country I have no need to be committed and I'll be with who ever I want and will keep the long distance relationship on the back burner, how far apart do you live?

We are in different countries, 7 hours apart.
So we have to travel by plane to visit each other. It is annoying sometimes especially if he did not pick up the call.
Trust and effort are extremely important for long distance relationship.
But i felt like i cannot trust him completely as he was not exactly honest with me.
If he is talking to other girls, he should be frank with me and I will leave without him asking me to.
Right now, it just makes me feel like i am someone he is keeping just in case other girls leave him, he still has me to fall back on.

I would never take a long distance relationship seriously .. 3 years ? Such a waste of Ur precious time .. move on and find someone to be phisically next to u ..